2018 United States–Canada tornado outbreak
A destructive, two-day tornado outbreak affected the Great Lakes region of the United States and the National Capital Region of Canada in late-September. A total of 37 tornadoes were confirmed, including a violent long-tracked high-end EF3 tornado that moved along a 80 km (50 mi) path from near Dunrobin, Ontario to Gatineau, Quebec, and an EF2 tornado in the Nepean sector of Ottawa. The tornadoes in Ottawa-Gatineau were declared one of the ten most significant weather events of 2018 in Canada by the Meteorological Service of Canada.
Major damage to apartment buildings in Gatineau, Quebec, as a result of an EF3 tornado | |
| Formed | September 20, 2018; EDT |
|---|---|
| Dissipated | September 21, 2018 |
| Highest winds |
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| Tornadoes confirmed | 38 |
| Max. rating1 | EF3 tornado |
| Fatalities | 1 fatality (non-tornadic), 31 injuries |
| Damage | $295 million (2018 USD) 350M+ (2023 USD) |
| Power outages | 300,000 |
| Areas affected | Ohio, Iowa, Minnesota, Wisconsin, Ontario, and Quebec |
Part of the tornado outbreaks of 2018 1Most severe tornado damage; see Enhanced Fujita scale | |
Numerous tornadoes touched down in Minnesota on the initial day of the outbreak, including a high-end EF2 tornado that caused major damage in Morristown, Minnesota. Other damage occurred in Eastern Ontario due to downburst winds from the severe thunderstorms. One death was reported as a result of straight-line winds that occurred during the outbreak, and 31 people were injured.