| Comments | On September 21st, 6 tornadoes touched down in and near the National Capital Region. The strongest was an EF-3 that touched down near the City of Ottawa’s rural neighbourhoods of Kinburn and Dunrobin, and tracked almost 40 km across the Ottawa River into the lower Pontiac (Luskville) and the Mont Bleu neighbourhood of Gatineau between 4:40 pm and 5:20 pm. The estimated wind speeds were up to 265 km/hr.
An EF-2 tornado, the second largest tornado of the outbreak, struck the Ottawa neighbourhoods of Arlington Woods and Craig Henry at around 6:00pm. The estimated wind speeds of this tornado was up to 220 km/hr.
Four EF-1 tornadoes with wind speeds estimated between 138-177 km/hr touched down near Calabogie, ON; near the Baskatong Reservoir, QC, at around 3:30 pm (on the ground for 10 km); near Val-des-Bois, QC, at around 5:00pm (on the ground for 13 km); and near Otter Lake, QC, (on the ground for 3 km). In Quebec, the tornadoes caused $8.4 million in damages/losses to Hydro-Quebec.
Extensive building damage was reported – almost 1,700 housing units were damaged in Gatineau, and 160 buildings with serious structural damage in the City of Ottawa, in addition to apartment complexes and commercial businesses in both affected areas. The tornado outbreak caused $334 million in insured damage, with at least $192 million in eastern Ontario and $102 million in the Gatineau Region. |