June 17, 2011 — On this day in 1946, Windsor, ON was hit by one of the worst tornadoes in Canadian history.
On June 17, 1946, one of the worst tornadoes in Canada's history struck Windsor, Ontario, killing 17 people and injuring hundreds.
Over 400 homes were damaged or destroyed. The damages suggest that the tornado would have been an F3 or an F4 strength.
The city would be struck again in almost the exact location during the Super Outbreak in April of 1974 - the largest 24-hour tornado outbreak on record.