Damage in Hull, Gatineau, after the 21 September 2018 tornado; photographed 24 SeptemberPhoto: Roc 1981 · Source · CC BY-SA 4.0. Resized for display; WebP conversion.- Location
- West of Kinburn, through Dunrobin and Gatineau
- Official rating
- EF3 Damage-based rating
- Local time · 21 September 2018
- 4:40–5:20 pm EDT (UTC−4)
- UTC
- 20:40–21:20 UTC · 21 September
- Time on the ground
- About 40 minutes
- Track length
- Not established in the cited source
- Maximum width
- Not established in the cited source
- Survey wind estimate
- Up to 265 km/h in ECCC’s damage assessment
Event & radar context
The EF3 tornado crossed Dunrobin and Gatineau during a six-tornado outbreak. This wider radar window also includes other storms, including the later Ottawa EF2 tornado. The displayed PRECIP-ET rain-rate images are original ECCC archive imagery from Franktown, with their original map and legend preserved. They are not native Level II volumes and do not provide velocity or RhoHV.
Interpreting the rating
F, EF and IF are different damage-rating scales. Original source labels are preserved. Badge colours group the numerical categories for browsing; they do not imply identical wind thresholds. Radar products do not directly establish the damage rating.
Event facts: Environment and Climate Change Canada assessment ↗