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All 18 lowest-elevation observations are included at ten-minute intervals. Elevations are read from each binary header (approximately 0.6\u00b0); the original study describes the nominal lowest tilt as 0.5\u00b0. Native 16-level reflectivity bins, range and radial boundaries are preserved without interpolation. The decoder uses the declared 230 range bins; legacy run-length values beyond that boundary are excluded and counted in the verification record. Original source files are retained unchanged. Volume-start and product-generation timestamps are decoded separately. C-band attenuation can weaken echoes behind intervening rain. Doppler velocity is omitted following the supplier\u2019s quality warning; no polarimetric product was supplied.", "archive_note": "18 supplied real reflectivity volumes \u00b7 15:00:08\u201317:50:08 UTC \u00b7 10-minute intervals. No extra frames are fabricated. Velocity and RhoHV unavailable.", "tornado_track": null }