{
  "station": "Haikou / Z9898",
  "source": "https://doi.org/10.5281/zenodo.13784928",
  "source_label": "Haikou Meteorological Observatory; Bao, Min / Zenodo \u00b7 CC BY 4.0",
  "source_license": "https://creativecommons.org/licenses/by/4.0/",
  "default_product": "REF",
  "scans": [
    {
      "key": "Z9898.20190828.191818.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.191818.AR2",
      "source_sha256": "a8146e7e9d4bf232798a9b6b0d973afb47387af03f60999cef736c90594bb013",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T19:18:18Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.191818-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:18:18Z",
          "sweep_end_utc": "2019-08-28T19:18:50Z",
          "valid_gates": 118061,
          "minimum": -30.5,
          "maximum": 58.5,
          "image_sha256": "f7840bd0351e8025da60976d37152876c6c84e8cab0db4d6b72b26f0d6080bfc",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a8146e7e9d4bf232798a9b6b0d973afb47387af03f60999cef736c90594bb013",
          "source_key": "Z9898.20190828.191818.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.191818-REF.png",
          "original_image_sha256": "cbbbf95f4bb9dc55b281739e94b49db33db1f3cb3a7fd0ee72b5e847964ca4d6",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.191818-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:18:51Z",
          "sweep_end_utc": "2019-08-28T19:19:14Z",
          "valid_gates": 102628,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "27dcd904f49b0e9adb973bc5262d79d1a59b5d20d9e6c971bd010ebda2c20146",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 4183,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a8146e7e9d4bf232798a9b6b0d973afb47387af03f60999cef736c90594bb013",
          "source_key": "Z9898.20190828.191818.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.191818-VEL.png",
          "original_image_sha256": "68b0e2c3e8f2f29e151f82b403a72beadd462a48cb934dde88a79a0207ac437f",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.191818-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:18:18Z",
          "sweep_end_utc": "2019-08-28T19:18:50Z",
          "valid_gates": 105281,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "ca6a9a6e2b03544aeb70f314e1731cbd6af900a4957f40ffe01804370df9a6aa",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a8146e7e9d4bf232798a9b6b0d973afb47387af03f60999cef736c90594bb013",
          "source_key": "Z9898.20190828.191818.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.191818-CC.png",
          "original_image_sha256": "86006ee3617cc96ae38ac8296fc1807bced5aad20cc5f6cbc3f20c9b0af75f89",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.192401.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.192401.AR2",
      "source_sha256": "e4bb0f4c5c26e1bc4c965161ac296b33af89a4872f549f63c350b0c47b78d447",
      "source_bytes": 37233000,
      "volume_start_utc": "2019-08-28T19:24:01Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.192401-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:24:01Z",
          "sweep_end_utc": "2019-08-28T19:24:33Z",
          "valid_gates": 116849,
          "minimum": -28.5,
          "maximum": 63.0,
          "image_sha256": "a362c8b8288571a83d03811d996f1c9eeb9950a977d7f0119fbc9353cf13c555",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "e4bb0f4c5c26e1bc4c965161ac296b33af89a4872f549f63c350b0c47b78d447",
          "source_key": "Z9898.20190828.192401.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.192401-REF.png",
          "original_image_sha256": "7c3ab76ba7a6452b1762136a5b485fcd3e90069bef483d9fd3047acaca963e43",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.192401-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:24:34Z",
          "sweep_end_utc": "2019-08-28T19:24:57Z",
          "valid_gates": 102131,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "a46fc14b2594025fcb27008bc914eb0e1b2eaaca7c1013fb87afd45e1e5a34ee",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 4167,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "e4bb0f4c5c26e1bc4c965161ac296b33af89a4872f549f63c350b0c47b78d447",
          "source_key": "Z9898.20190828.192401.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.192401-VEL.png",
          "original_image_sha256": "ba84df7ea9bbd5e582dd4a1bdb13aebeeac60ed00dd315b5b52a605cb3c7d0bb",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.192401-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:24:01Z",
          "sweep_end_utc": "2019-08-28T19:24:33Z",
          "valid_gates": 104272,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "3c91ee34075b9d94518e10777cf7d0a10f77841f3116b00985c07197219b6687",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "e4bb0f4c5c26e1bc4c965161ac296b33af89a4872f549f63c350b0c47b78d447",
          "source_key": "Z9898.20190828.192401.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.192401-CC.png",
          "original_image_sha256": "c35e8d47aeb99be8b0d4fbf6401da917f46e4c85b84f7e955952961a08b71d06",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.192944.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.192944.AR2",
      "source_sha256": "f14b81dceb2170554c97bc313933dc5f69a82ac1d9c1584a088c97b7129167a7",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T19:29:44Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.192944-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:29:44Z",
          "sweep_end_utc": "2019-08-28T19:30:15Z",
          "valid_gates": 115784,
          "minimum": -30.5,
          "maximum": 58.5,
          "image_sha256": "2c58e9a02b3c572bedb84e65be65a002f11514b57f894b1c5ba184ae55aa7e6a",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "f14b81dceb2170554c97bc313933dc5f69a82ac1d9c1584a088c97b7129167a7",
          "source_key": "Z9898.20190828.192944.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.192944-REF.png",
          "original_image_sha256": "750579b19bf68df806869c2947e1e7e464509702138e05c7248c28486a635d54",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.192944-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:30:17Z",
          "sweep_end_utc": "2019-08-28T19:30:39Z",
          "valid_gates": 101299,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "a38649ea7f92bacb185e9750ef37c5fa37f4beb7ac18e1c29701e5709e67941a",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 4218,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "f14b81dceb2170554c97bc313933dc5f69a82ac1d9c1584a088c97b7129167a7",
          "source_key": "Z9898.20190828.192944.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.192944-VEL.png",
          "original_image_sha256": "c6a0855a136e56981c5fe8ed337d9f03f95852169ff4bf4f271a834438c39677",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.192944-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:29:44Z",
          "sweep_end_utc": "2019-08-28T19:30:15Z",
          "valid_gates": 103549,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "0af130246b092a2d08732ca21b91915ec8427a1a8fc6c60ed87c86fa9eebd0fa",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "f14b81dceb2170554c97bc313933dc5f69a82ac1d9c1584a088c97b7129167a7",
          "source_key": "Z9898.20190828.192944.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.192944-CC.png",
          "original_image_sha256": "303da995e20057e34f5bd02b2adabe38a3c0aedf4f9d70701a2d54c6a7679d93",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.193526.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.193526.AR2",
      "source_sha256": "24e897f12bf4edeb16a6354d3cece46defd50a0023c7043f76e4a5cc0e590932",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T19:35:26Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.193526-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:35:26Z",
          "sweep_end_utc": "2019-08-28T19:35:58Z",
          "valid_gates": 116216,
          "minimum": -30.5,
          "maximum": 58.5,
          "image_sha256": "b39de5f9928815c6535e3fda745e5afb2c063fcc818e1e26688c306835b0c69e",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "24e897f12bf4edeb16a6354d3cece46defd50a0023c7043f76e4a5cc0e590932",
          "source_key": "Z9898.20190828.193526.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.193526-REF.png",
          "original_image_sha256": "79c72b78f326a7bfa9d69e2b2d6e21a82073fdd2b7d8e6b63cfe31ae1a45684e",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.193526-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:35:59Z",
          "sweep_end_utc": "2019-08-28T19:36:22Z",
          "valid_gates": 101580,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "c4e392ce2deaaa4a343e29707ce4addfab91e003da0a78405d1cd4025d91b999",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 4736,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "24e897f12bf4edeb16a6354d3cece46defd50a0023c7043f76e4a5cc0e590932",
          "source_key": "Z9898.20190828.193526.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.193526-VEL.png",
          "original_image_sha256": "acaf61d6750b5227ea5117cedf4f6006795732e742f537f3a0858eb6788e9afe",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.193526-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:35:26Z",
          "sweep_end_utc": "2019-08-28T19:35:58Z",
          "valid_gates": 103593,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "06af4970bebf5864a1be6312339c76d8667e779692925e81db3d6b2b5001d4bc",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "24e897f12bf4edeb16a6354d3cece46defd50a0023c7043f76e4a5cc0e590932",
          "source_key": "Z9898.20190828.193526.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.193526-CC.png",
          "original_image_sha256": "aa6af24abf39d181366b5543a3d44beaadf8b0260a0642e2f6d2e52f41d6f196",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.194109.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.194109.AR2",
      "source_sha256": "3dd4b243aa3949851090a7fe5407571155b9f69c96b9952df6ea468e3181976d",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T19:41:09Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.194109-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:41:09Z",
          "sweep_end_utc": "2019-08-28T19:41:41Z",
          "valid_gates": 115054,
          "minimum": -30.5,
          "maximum": 58.5,
          "image_sha256": "d55ecd720f4b5b197f2dbc1205e642fd7cdabfdfc5b229307445400be8b50f4d",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "3dd4b243aa3949851090a7fe5407571155b9f69c96b9952df6ea468e3181976d",
          "source_key": "Z9898.20190828.194109.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.194109-REF.png",
          "original_image_sha256": "feb0704285075446706f3e05193ef116c935c35a1eea0e1f6a0a2d4c97a5a207",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.194109-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:41:42Z",
          "sweep_end_utc": "2019-08-28T19:42:04Z",
          "valid_gates": 99717,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "d1fdb1cb067507f6b43d3ff2a6188f38411f5dc9019087da96d3b4d579765264",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 5497,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "3dd4b243aa3949851090a7fe5407571155b9f69c96b9952df6ea468e3181976d",
          "source_key": "Z9898.20190828.194109.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.194109-VEL.png",
          "original_image_sha256": "82362c395096e7ac4ce641e7f20d87fcbe9030f233cdc2dd49452cbab5eaff5e",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.194109-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:41:09Z",
          "sweep_end_utc": "2019-08-28T19:41:41Z",
          "valid_gates": 102462,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "a5c171b1fe7971919010a0862b82418de796126d9cbccd44aefa2cb2e4fd164f",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "3dd4b243aa3949851090a7fe5407571155b9f69c96b9952df6ea468e3181976d",
          "source_key": "Z9898.20190828.194109.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.194109-CC.png",
          "original_image_sha256": "818100457af9b3cdb50e1848cc0ae06fc3e3b3dcd542980e10cb44c73aa86571",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.194652.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.194652.AR2",
      "source_sha256": "776fce6e76843fa9c5b41e7540b459af1dde77cf78b7ff91ac10d8f9fe3f4901",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T19:46:52Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.194652-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:46:52Z",
          "sweep_end_utc": "2019-08-28T19:47:23Z",
          "valid_gates": 114532,
          "minimum": -30.5,
          "maximum": 64.5,
          "image_sha256": "51ef2ba9faac74f16a1a9a27fa8626ed87eca353ae0879a0ea9c23161c95a5ca",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "776fce6e76843fa9c5b41e7540b459af1dde77cf78b7ff91ac10d8f9fe3f4901",
          "source_key": "Z9898.20190828.194652.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.194652-REF.png",
          "original_image_sha256": "08464f1be77dc3204ce8fc43bff81dcc3b4e0befd33a8291dac37190cc119f49",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.194652-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:47:25Z",
          "sweep_end_utc": "2019-08-28T19:47:47Z",
          "valid_gates": 98074,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "76f1e0331fa969e2aba95bdfcf86eb177aa535b03acdb166826a2c427ecdfef8",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6278,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "776fce6e76843fa9c5b41e7540b459af1dde77cf78b7ff91ac10d8f9fe3f4901",
          "source_key": "Z9898.20190828.194652.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.194652-VEL.png",
          "original_image_sha256": "9dc4eaf52e524cf1dc056558f22e2d21d26947766f4eb7248c4a1fb1ad05f1c8",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.194652-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:46:52Z",
          "sweep_end_utc": "2019-08-28T19:47:23Z",
          "valid_gates": 101053,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "fe0d58c924e76a73b51d09ac00b00ef1b899a643ed3840dcafe1fd7e8c12ef8c",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "776fce6e76843fa9c5b41e7540b459af1dde77cf78b7ff91ac10d8f9fe3f4901",
          "source_key": "Z9898.20190828.194652.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.194652-CC.png",
          "original_image_sha256": "787a77d55e720342ba10683382ebb9ad0781088122dc5f21e26d5c043c0d537c",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.195234.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.195234.AR2",
      "source_sha256": "a1fbca4925c949c9cb329af9f8746f670592043ed97ef2c6797e33a11a26f55f",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T19:52:34Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.195234-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:52:34Z",
          "sweep_end_utc": "2019-08-28T19:53:06Z",
          "valid_gates": 114907,
          "minimum": -30.0,
          "maximum": 60.0,
          "image_sha256": "dd1aeb347737d881510545468dc7d01a49267d5d0cdc9e8b3d1143c4a3032ec9",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a1fbca4925c949c9cb329af9f8746f670592043ed97ef2c6797e33a11a26f55f",
          "source_key": "Z9898.20190828.195234.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.195234-REF.png",
          "original_image_sha256": "5fee152316291fbdb5ad5a01c6658d6e454a12bd4023311e8cb2911bd5632e53",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.195234-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:53:07Z",
          "sweep_end_utc": "2019-08-28T19:53:30Z",
          "valid_gates": 98729,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "c4e361e7004fa697dacad1b30858d853230c55556edd75cf3694e18cee9e06bf",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6223,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a1fbca4925c949c9cb329af9f8746f670592043ed97ef2c6797e33a11a26f55f",
          "source_key": "Z9898.20190828.195234.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.195234-VEL.png",
          "original_image_sha256": "84eb11ef5c913d2881eee330156360f1b5554e5be3e7cc14ad21c07b0174a70d",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.195234-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:52:34Z",
          "sweep_end_utc": "2019-08-28T19:53:06Z",
          "valid_gates": 100378,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "33d0dce25fca856b3042fde69528d070ba1bd4a2d8e19f482b6889d84a514587",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a1fbca4925c949c9cb329af9f8746f670592043ed97ef2c6797e33a11a26f55f",
          "source_key": "Z9898.20190828.195234.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.195234-CC.png",
          "original_image_sha256": "9ebe336fe15befc5c55079069d71efc28324f04ef2a69f9e6e80489c111a2fbf",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.195817.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.195817.AR2",
      "source_sha256": "3484983a0205a63de8feb2c9dee9a5a6614b59e7603803c0e07cba83a18de7b2",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T19:58:17Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.195817-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:58:17Z",
          "sweep_end_utc": "2019-08-28T19:58:49Z",
          "valid_gates": 114065,
          "minimum": -30.5,
          "maximum": 58.5,
          "image_sha256": "8b10991a97f7f641ca0737329ab6b49378c4490b57a25c6d25a47f438af16a57",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "3484983a0205a63de8feb2c9dee9a5a6614b59e7603803c0e07cba83a18de7b2",
          "source_key": "Z9898.20190828.195817.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.195817-REF.png",
          "original_image_sha256": "9350a0af7ec83478397989597a407dc20766a7c4565fb7351e5433b9a0d69b11",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.195817-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:58:50Z",
          "sweep_end_utc": "2019-08-28T19:59:13Z",
          "valid_gates": 98304,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "637cbb0977a0681f1d87fcbfe2d0b49d99b340dd7548943144923e8b05fca851",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6444,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "3484983a0205a63de8feb2c9dee9a5a6614b59e7603803c0e07cba83a18de7b2",
          "source_key": "Z9898.20190828.195817.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.195817-VEL.png",
          "original_image_sha256": "918d45961d6ad1a563a481ece156237a4142709d1fd27aad7dd65197fd9a8c1e",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.195817-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T19:58:17Z",
          "sweep_end_utc": "2019-08-28T19:58:49Z",
          "valid_gates": 99807,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "33902db03fa4704fcfcb1a75374baa56345d0b031060990948549bf0313ebc6b",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "3484983a0205a63de8feb2c9dee9a5a6614b59e7603803c0e07cba83a18de7b2",
          "source_key": "Z9898.20190828.195817.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.195817-CC.png",
          "original_image_sha256": "5e232a4da4727d8958d9e34b055c2327c90b2e8f476a1f789e94862e94c1e7a7",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.200400.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.200400.AR2",
      "source_sha256": "a2858017d05cce2886a537708e0e0ba907781b07ca6f997484a4a1ab0f5e62c9",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T20:04:00Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.200400-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:04:00Z",
          "sweep_end_utc": "2019-08-28T20:04:32Z",
          "valid_gates": 113852,
          "minimum": -30.5,
          "maximum": 59.0,
          "image_sha256": "c6db95eb77f266a39d90febd3f8096401c9eaf96159a00c4d230e40725a7d7df",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a2858017d05cce2886a537708e0e0ba907781b07ca6f997484a4a1ab0f5e62c9",
          "source_key": "Z9898.20190828.200400.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.200400-REF.png",
          "original_image_sha256": "f54b1f0223d21f32c2f4978d241413f7a8227cd171d050c80979d1854642c3e4",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.200400-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:04:33Z",
          "sweep_end_utc": "2019-08-28T20:04:55Z",
          "valid_gates": 98000,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "1514dc9675467ca1666e99aa6d139dd21d8ac2b79cb5a61a00afb27520ec89f2",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6628,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a2858017d05cce2886a537708e0e0ba907781b07ca6f997484a4a1ab0f5e62c9",
          "source_key": "Z9898.20190828.200400.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.200400-VEL.png",
          "original_image_sha256": "573bdd1992a695426476ac1b25432d4fbfe0dea8dba35ad971fe093d97fb4c7b",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.200400-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:04:00Z",
          "sweep_end_utc": "2019-08-28T20:04:32Z",
          "valid_gates": 99046,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "451a426ea9e643960c8c41829d1bf0f208b4ec49ce6c797f0d58218fd2794b80",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "a2858017d05cce2886a537708e0e0ba907781b07ca6f997484a4a1ab0f5e62c9",
          "source_key": "Z9898.20190828.200400.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.200400-CC.png",
          "original_image_sha256": "fbd993103906dbe761fd5e252dd7fc724fd16415fd5575a6c0f3687fc2ca9066",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.200943.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.200943.AR2",
      "source_sha256": "c334f4e3de92d0a2b49b98da19e98d993b7f76bcf2d46674a55ec774a0b29292",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T20:09:43Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.200943-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:09:43Z",
          "sweep_end_utc": "2019-08-28T20:10:14Z",
          "valid_gates": 112349,
          "minimum": -30.5,
          "maximum": 58.5,
          "image_sha256": "74307afe43aec96a7acc61704f3da101917be35e266f59a32afea8f93a5862bf",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "c334f4e3de92d0a2b49b98da19e98d993b7f76bcf2d46674a55ec774a0b29292",
          "source_key": "Z9898.20190828.200943.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.200943-REF.png",
          "original_image_sha256": "08457e87b53d066d3c6f98a371b77b3d4ce6d2c1d4f3323525e5ab3051f129de",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.200943-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:10:15Z",
          "sweep_end_utc": "2019-08-28T20:10:38Z",
          "valid_gates": 96650,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "00a92bf2a6ec53b57311c15a8561c85a71e65189519e370a03e17e3e4a717cb7",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6305,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "c334f4e3de92d0a2b49b98da19e98d993b7f76bcf2d46674a55ec774a0b29292",
          "source_key": "Z9898.20190828.200943.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.200943-VEL.png",
          "original_image_sha256": "f33e0f976d77926dc0389c547a1bb4c9ebe6ad9c217c06ba0f0d36cc3bca3d60",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.200943-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:09:43Z",
          "sweep_end_utc": "2019-08-28T20:10:14Z",
          "valid_gates": 98212,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "e14568c03221b70ec637dd32a680f3467406f5fe72724806e7fed0460e0fc1d6",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "c334f4e3de92d0a2b49b98da19e98d993b7f76bcf2d46674a55ec774a0b29292",
          "source_key": "Z9898.20190828.200943.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.200943-CC.png",
          "original_image_sha256": "8c167562aaf77933a496fdbbd0b479379ba1e36e083d6044a44b603481b98b08",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.201525.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.201525.AR2",
      "source_sha256": "b30bf5e0eaa3ffda094cb1dfcdde2f02f5167619782a272da5ed5f62cf26cf56",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T20:15:25Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.201525-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:15:25Z",
          "sweep_end_utc": "2019-08-28T20:15:57Z",
          "valid_gates": 110399,
          "minimum": -30.5,
          "maximum": 59.5,
          "image_sha256": "62daaf0f012b6430eabbadd92fee388d352d4dc738bc3c2024feb79e74c0f5c4",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b30bf5e0eaa3ffda094cb1dfcdde2f02f5167619782a272da5ed5f62cf26cf56",
          "source_key": "Z9898.20190828.201525.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.201525-REF.png",
          "original_image_sha256": "ada30f48106fc1b30dc56bab682fcb0ca85184be60c0fb258fe6b08b793f3c04",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.201525-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:15:58Z",
          "sweep_end_utc": "2019-08-28T20:16:21Z",
          "valid_gates": 95289,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "b21953ac6b2df1a793610c2ca0d3a3416f45b610b02702d1a57afe311fc9e9bc",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 5932,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b30bf5e0eaa3ffda094cb1dfcdde2f02f5167619782a272da5ed5f62cf26cf56",
          "source_key": "Z9898.20190828.201525.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.201525-VEL.png",
          "original_image_sha256": "ec727ee64e3685706557a59ee3d7d6650bfee6b37ddd345edbca705d9e9cc622",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.201525-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:15:25Z",
          "sweep_end_utc": "2019-08-28T20:15:57Z",
          "valid_gates": 96239,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "3b52d76b1603469f9976bfa24231c442bd50ac2bf274fc21ce8775f0218de7f1",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b30bf5e0eaa3ffda094cb1dfcdde2f02f5167619782a272da5ed5f62cf26cf56",
          "source_key": "Z9898.20190828.201525.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.201525-CC.png",
          "original_image_sha256": "89625ca1eebd8085d1050775764b9d3b4daececd20e38b8a3ead28a3d2fbfa84",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.202108.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.202108.AR2",
      "source_sha256": "bf1f12eba00206367c0f68825d0799196b2552fbbf65aee980359b8c2507ff1b",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T20:21:08Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.202108-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:21:08Z",
          "sweep_end_utc": "2019-08-28T20:21:40Z",
          "valid_gates": 109302,
          "minimum": -25.5,
          "maximum": 58.5,
          "image_sha256": "fa740bcf3b117c6c74545e159038e2dfc2f4834bddfdcfbd1d8fef53e82cdcbc",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "bf1f12eba00206367c0f68825d0799196b2552fbbf65aee980359b8c2507ff1b",
          "source_key": "Z9898.20190828.202108.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.202108-REF.png",
          "original_image_sha256": "b57312699a865b4b995cc7592f4d13a4001fac0eaef5f4a28f9fff518acd32c7",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.202108-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:21:41Z",
          "sweep_end_utc": "2019-08-28T20:22:04Z",
          "valid_gates": 94452,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "a4b191fd691a7099b055c920da8a416a257dffb848c9ed84ab9462b02e36e34d",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6232,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "bf1f12eba00206367c0f68825d0799196b2552fbbf65aee980359b8c2507ff1b",
          "source_key": "Z9898.20190828.202108.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.202108-VEL.png",
          "original_image_sha256": "bf5ea9289ddb6d709aaaeff66cb9efae8283ff7ce47b8d9e612dbb7ac6d6cfbd",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.202108-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:21:08Z",
          "sweep_end_utc": "2019-08-28T20:21:40Z",
          "valid_gates": 95097,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "55aea158a04bc93096d60b04341559b97c3da8b2cb243312e09839ef4a7ec8ab",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "bf1f12eba00206367c0f68825d0799196b2552fbbf65aee980359b8c2507ff1b",
          "source_key": "Z9898.20190828.202108.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.202108-CC.png",
          "original_image_sha256": "92d6ca5e7ef34b3a12110a1cba333784301e62a838a86770a911774580f7fd06",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.202650.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.202650.AR2",
      "source_sha256": "b0a8b0cac2d27ccc9a93295c966721f7302f0f70e97f1ed30695978003ca71e2",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T20:26:50Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.202650-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:26:50Z",
          "sweep_end_utc": "2019-08-28T20:27:22Z",
          "valid_gates": 106917,
          "minimum": -30.5,
          "maximum": 59.5,
          "image_sha256": "3d2607672d2a2af08b0e79383e40f5cef19a0e4e7ac51333fc379fc7de7db800",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b0a8b0cac2d27ccc9a93295c966721f7302f0f70e97f1ed30695978003ca71e2",
          "source_key": "Z9898.20190828.202650.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.202650-REF.png",
          "original_image_sha256": "884fab88b87f3c5bd4c2d200230300cc7074182e9e91f1960b5768cc8374cc2e",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.202650-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:27:23Z",
          "sweep_end_utc": "2019-08-28T20:27:46Z",
          "valid_gates": 91445,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "823a2dfd052b4c7ba714c55e2336b25d9afa79321558804d8ba0d7491f7789a8",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6325,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b0a8b0cac2d27ccc9a93295c966721f7302f0f70e97f1ed30695978003ca71e2",
          "source_key": "Z9898.20190828.202650.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.202650-VEL.png",
          "original_image_sha256": "ffb1bffa91d9af1b48603627dbe322e7c1f1eec272d0a42ef7e0e9e369f6889c",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.202650-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:26:50Z",
          "sweep_end_utc": "2019-08-28T20:27:22Z",
          "valid_gates": 92230,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "69cd77622bab73d4631decdf66ad51ef847f04514c3ee3aa1403affbca0d4162",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b0a8b0cac2d27ccc9a93295c966721f7302f0f70e97f1ed30695978003ca71e2",
          "source_key": "Z9898.20190828.202650.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.202650-CC.png",
          "original_image_sha256": "d0c880fba9e1bd94808e74b3398ba2ef270b99ec779689d5729bb17fb78c9669",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.203233.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.203233.AR2",
      "source_sha256": "0ce8d92ee1a3588c8c84a249620c223e2f5bb180a56ccb3bbb985fe5a3d6ff19",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T20:32:33Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.203233-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:32:33Z",
          "sweep_end_utc": "2019-08-28T20:33:05Z",
          "valid_gates": 105221,
          "minimum": -30.5,
          "maximum": 64.0,
          "image_sha256": "d2875dae3be8a37b7dd872766ced65e0008a5e457f45e6238e82399f5cff0726",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "0ce8d92ee1a3588c8c84a249620c223e2f5bb180a56ccb3bbb985fe5a3d6ff19",
          "source_key": "Z9898.20190828.203233.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.203233-REF.png",
          "original_image_sha256": "5a794d41859726ea205c3ae6ee9f8c09db1aa7f3d4462fc59e96d7f49e9e4908",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.203233-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:33:06Z",
          "sweep_end_utc": "2019-08-28T20:33:29Z",
          "valid_gates": 89057,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "ba2efec6d83c07c446deb704b829543e526332423db4068c2a8124c71ac05cf0",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6331,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "0ce8d92ee1a3588c8c84a249620c223e2f5bb180a56ccb3bbb985fe5a3d6ff19",
          "source_key": "Z9898.20190828.203233.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.203233-VEL.png",
          "original_image_sha256": "41a954b03ff45843c09f96c36daa391ec45069f95b42916e49ef29178fa59682",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.203233-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:32:33Z",
          "sweep_end_utc": "2019-08-28T20:33:05Z",
          "valid_gates": 90106,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "7f0053bcaaf70ad9e5c24ef8d9bd23fea4bf408a73ec12484fe18e3653794124",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "0ce8d92ee1a3588c8c84a249620c223e2f5bb180a56ccb3bbb985fe5a3d6ff19",
          "source_key": "Z9898.20190828.203233.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.203233-CC.png",
          "original_image_sha256": "28c0bf68a42fc0c00ab8651e9b2354859bb2c92cd15471aa0b0a6e21aee41b6b",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.203816.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.203816.AR2",
      "source_sha256": "76b8e940be2dd27fb0ab5b757ba8a8d22811d62d5fde3637aac73bb46de171de",
      "source_bytes": 37233000,
      "volume_start_utc": "2019-08-28T20:38:16Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.203816-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:38:16Z",
          "sweep_end_utc": "2019-08-28T20:38:48Z",
          "valid_gates": 103529,
          "minimum": -30.5,
          "maximum": 62.0,
          "image_sha256": "d4637245ccd7b25c9aff5c4246f10e049d476445120bb873d2d02035d4478eec",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "76b8e940be2dd27fb0ab5b757ba8a8d22811d62d5fde3637aac73bb46de171de",
          "source_key": "Z9898.20190828.203816.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.203816-REF.png",
          "original_image_sha256": "314dc64eb21d31ad785415129c60e37946677e2f242b7e1bf80f130225a1eb49",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.203816-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:38:49Z",
          "sweep_end_utc": "2019-08-28T20:39:12Z",
          "valid_gates": 86603,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "4b4c1ec629c8f508f1bc1c1a02bf8cb3ef26e3c0db8d65786a590bf44aa9ed29",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6459,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "76b8e940be2dd27fb0ab5b757ba8a8d22811d62d5fde3637aac73bb46de171de",
          "source_key": "Z9898.20190828.203816.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.203816-VEL.png",
          "original_image_sha256": "a2732f8a1e09b8282f18af6712f5aee98a168e833c734f4db1ac34a45cd26f65",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.203816-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:38:16Z",
          "sweep_end_utc": "2019-08-28T20:38:48Z",
          "valid_gates": 86951,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "e00d51d1b3d359d962c7d990341c41a4f0fcadc20ff70a19e13045048b136ed5",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "76b8e940be2dd27fb0ab5b757ba8a8d22811d62d5fde3637aac73bb46de171de",
          "source_key": "Z9898.20190828.203816.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.203816-CC.png",
          "original_image_sha256": "4a079572706e2837b9a6ac3fda3be689548d2605cd8f038a341941388e5fd50c",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.204358.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.204358.AR2",
      "source_sha256": "ffb1e9b1a38109ef7ae54b8f4ab51e1d233e5f9a368dae6e87a14b7be4408d59",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T20:43:58Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.204358-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:43:58Z",
          "sweep_end_utc": "2019-08-28T20:44:30Z",
          "valid_gates": 100825,
          "minimum": -30.5,
          "maximum": 69.5,
          "image_sha256": "8504a1b029e28a152f2a41ea3afcd29330a52700791654bc4346805efee4fd69",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "ffb1e9b1a38109ef7ae54b8f4ab51e1d233e5f9a368dae6e87a14b7be4408d59",
          "source_key": "Z9898.20190828.204358.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.204358-REF.png",
          "original_image_sha256": "eda49eb3afe2579972baf9fd666c8985a69881bb2c743002db5f192afbd8cbea",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.204358-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:44:31Z",
          "sweep_end_utc": "2019-08-28T20:44:54Z",
          "valid_gates": 83692,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "ca5657698557eefbd288720c10c401650f6eeafb810574dcbb9bb1095756656e",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6647,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "ffb1e9b1a38109ef7ae54b8f4ab51e1d233e5f9a368dae6e87a14b7be4408d59",
          "source_key": "Z9898.20190828.204358.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.204358-VEL.png",
          "original_image_sha256": "305b9938b46855f6e4c0346778d975f5b33bfbac2706385f3f652c6817444f55",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.204358-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:43:58Z",
          "sweep_end_utc": "2019-08-28T20:44:30Z",
          "valid_gates": 85070,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "6c7d02419d6a473f346d3125370217a7ce0db3303ce9bb9778eb7fe591cee091",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "ffb1e9b1a38109ef7ae54b8f4ab51e1d233e5f9a368dae6e87a14b7be4408d59",
          "source_key": "Z9898.20190828.204358.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.204358-CC.png",
          "original_image_sha256": "ae4abdc03b74b96ae5bae8a0bd36acd1cd2dccc2d6ec204a4abdc6946fa749e5",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.204941.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.204941.AR2",
      "source_sha256": "b1e085f17055b7c649a7f1e7d84bb6aeb6858c152c30408acb5ba64471d71210",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T20:49:41Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.204941-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:49:41Z",
          "sweep_end_utc": "2019-08-28T20:50:13Z",
          "valid_gates": 98324,
          "minimum": -30.0,
          "maximum": 61.0,
          "image_sha256": "2e65402a50496c4438ad3800be994f32860818ad26a3598a86eb57a96ecf27e8",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b1e085f17055b7c649a7f1e7d84bb6aeb6858c152c30408acb5ba64471d71210",
          "source_key": "Z9898.20190828.204941.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.204941-REF.png",
          "original_image_sha256": "e9f6d1b8ca0b1987420509a49daf4a2b47da330678aee6a40458306b66f939f5",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.204941-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:50:14Z",
          "sweep_end_utc": "2019-08-28T20:50:37Z",
          "valid_gates": 80871,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "7c024c73846038024b8b70218cc64906b96a7a924457b4d431ef3d90f281e18f",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6574,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b1e085f17055b7c649a7f1e7d84bb6aeb6858c152c30408acb5ba64471d71210",
          "source_key": "Z9898.20190828.204941.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.204941-VEL.png",
          "original_image_sha256": "60666501e16017daf17d4dfb9b899a941584db548765cb0ff0a2d677df214a4e",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.204941-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:49:41Z",
          "sweep_end_utc": "2019-08-28T20:50:13Z",
          "valid_gates": 82450,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "0156d7c550b96aaed48c72234ea8260e8b50f63f9a7c9e107d3795996b7d9f3e",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "b1e085f17055b7c649a7f1e7d84bb6aeb6858c152c30408acb5ba64471d71210",
          "source_key": "Z9898.20190828.204941.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.204941-CC.png",
          "original_image_sha256": "6349c00f41f8eb10ecd6a690501a5c72025495f477dcb7faf376bc1c332fb31d",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.205524.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.205524.AR2",
      "source_sha256": "36ff5483ff0f9b7bd7d60979351da6ea9736a4993e543dc3d8682ca6eed0a789",
      "source_bytes": 37233000,
      "volume_start_utc": "2019-08-28T20:55:24Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.205524-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:55:24Z",
          "sweep_end_utc": "2019-08-28T20:55:55Z",
          "valid_gates": 94498,
          "minimum": -30.5,
          "maximum": 59.5,
          "image_sha256": "307d0dbddf143b2a1f43ba4584d5a68a3e521ca57606d03fc4add48bbe4480cb",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "36ff5483ff0f9b7bd7d60979351da6ea9736a4993e543dc3d8682ca6eed0a789",
          "source_key": "Z9898.20190828.205524.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.205524-REF.png",
          "original_image_sha256": "467854b632858d895f2504ac4178c6b1b81e552aa59de67026ffe40ebffc5f6a",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.205524-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:55:57Z",
          "sweep_end_utc": "2019-08-28T20:56:19Z",
          "valid_gates": 77966,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "1529aa6a5c4c1c1519c961a406db697cf8721005bd64826fc5acdce931c7d056",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6372,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "36ff5483ff0f9b7bd7d60979351da6ea9736a4993e543dc3d8682ca6eed0a789",
          "source_key": "Z9898.20190828.205524.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.205524-VEL.png",
          "original_image_sha256": "bead15c870b4b2e3a0d8ea07e39a4b85d6e551e718c8ab264482f434ca212e66",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.205524-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T20:55:24Z",
          "sweep_end_utc": "2019-08-28T20:55:55Z",
          "valid_gates": 78971,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "e7a37cb75c50cced676cf408aef040f07c11dfe406202c5ed898e3d899c6a754",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "36ff5483ff0f9b7bd7d60979351da6ea9736a4993e543dc3d8682ca6eed0a789",
          "source_key": "Z9898.20190828.205524.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.205524-CC.png",
          "original_image_sha256": "216b75c37f626424a820808b288c364519b91405301a4be7d370a275370a8cea",
          "image_encoding": "lossless WebP"
        }
      }
    },
    {
      "key": "Z9898.20190828.210106.AR2",
      "source_url": "https://doi.org/10.5281/zenodo.13784928",
      "source_file": "archive-data/china-hainan-2019/dataset/radar/Z9898.20190828.210106.AR2",
      "source_sha256": "47d38a97e9867402dfc6e542f290222adf4ef864e6984a7df85613c6818e3523",
      "source_bytes": 37244272,
      "volume_start_utc": "2019-08-28T21:01:06Z",
      "products": {
        "REF": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.210106-REF.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "REF",
          "label": "Reflectivity",
          "units": "dBZ",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T21:01:06Z",
          "sweep_end_utc": "2019-08-28T21:01:38Z",
          "valid_gates": 92637,
          "minimum": -30.5,
          "maximum": 59.0,
          "image_sha256": "55be2374bc863ec2f4a55317391e838ae951a55bce5a6c9481350d1e84ea62dc",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "47d38a97e9867402dfc6e542f290222adf4ef864e6984a7df85613c6818e3523",
          "source_key": "Z9898.20190828.210106.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.210106-REF.png",
          "original_image_sha256": "2bec9018f9f3edb7b285388dd52ca179270ec8b43446f23850fc1ed705765625",
          "image_encoding": "lossless WebP"
        },
        "VEL": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.210106-VEL.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "VEL",
          "label": "Radial velocity",
          "units": "m/s",
          "sweep_index": 1,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T21:01:39Z",
          "sweep_end_utc": "2019-08-28T21:02:02Z",
          "valid_gates": 75679,
          "minimum": -28.0,
          "maximum": 28.0,
          "image_sha256": "944dfb73980af9ff6144a44e0cb600f67ca6774b9fadd6d7b0264c4377452f11",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 361,
          "nyquist_velocity_ms": 27.829999923706055,
          "range_folded_gates": 6864,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "47d38a97e9867402dfc6e542f290222adf4ef864e6984a7df85613c6818e3523",
          "source_key": "Z9898.20190828.210106.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.210106-VEL.png",
          "original_image_sha256": "21b2524ce1838087e09cef23f3c9becc3d96d58eb9301b8bab7c19c6f0f72950",
          "image_encoding": "lossless WebP"
        },
        "CC": {
          "image": "radar-images/danzhou-2019/Z9898.20190828.210106-CC.webp",
          "plot_geometry": {
            "image_size": [
              1300,
              988
            ],
            "rect": [
              97.5060492621528,
              63.38489257812489,
              946.3951605902778,
              859.5443424479167
            ],
            "xlim": [
              -125.0,
              5.0
            ],
            "ylim": [
              -110.0,
              10.0
            ],
            "radar_lat": 19.996389389038086,
            "radar_lon": 110.24583435058594
          },
          "field": "RHO",
          "label": "RhoHV",
          "units": "unitless",
          "sweep_index": 0,
          "elevation_deg": 0.4833984375,
          "sweep_start_utc": "2019-08-28T21:01:06Z",
          "sweep_end_utc": "2019-08-28T21:01:38Z",
          "valid_gates": 77103,
          "minimum": 0.0,
          "maximum": 1.05,
          "image_sha256": "c4be35d0ca5f16cefd3c7d25989f387cfb292af9b92384b2a6e730c406afc3a6",
          "raw_calibration_verified": true,
          "range_km": 150.0,
          "gate_spacing_km": 0.25,
          "rays": 366,
          "nyquist_velocity_ms": 8.838339805603027,
          "range_folded_gates": 0,
          "source_url": "https://doi.org/10.5281/zenodo.13784928",
          "source_sha256": "47d38a97e9867402dfc6e542f290222adf4ef864e6984a7df85613c6818e3523",
          "source_key": "Z9898.20190828.210106.AR2",
          "original_image": "radar-images/danzhou-2019/Z9898.20190828.210106-CC.png",
          "original_image_sha256": "c6b307f2c82835763499a51dfe96d3718085f6f79cfb5031825eeed3d0a27b34",
          "image_encoding": "lossless WebP"
        }
      }
    }
  ],
  "archive_note": "19 real radar volumes with context before and after the event. Timeline length is not tornado duration.",
  "method": "Authentic CINRAD standard-format radar volumes from the linked research deposit, rendered as lowest available approximately 0.5\u00b0 PPI sweeps. Separate reflectivity and Doppler cuts retain native ray times and moment-specific range spacing. Header scale and offset applied; reserved and range-folded codes masked. No spatial or temporal resampling, velocity dealiasing, or model simulation. Town labels are geographic references, not tornado locations or tracks. Renderings are adaptations under CC BY 4.0. Haikou Meteorological Observatory; Bao, Min / Zenodo.",
  "built_utc": "2026-10-15T15:17:41.550964+00:00",
  "tornado_track": null
}