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This page documents all tornadoes confirmed by Environment Canada and the University of Western Ontario's Northern Tornadoes Project (NTP) in Canada throughout 2023. Based on statistical modelling by Sills et al. (2012), an average of 230 tornadoes likely occur across the country each year; however, only 61 of these are actually documented annually based on 1980–2009 averages. [1]
The following are lists of Canadian tornadoes and tornado outbreaks: List of Canadian tornadoes and tornado outbreaks (before 2001) List of Canadian tornadoes and tornado outbreaks (since 2001) List of fatal and violent Canadian tornadoes; List of tornadoes by province (Canada)
In Canada, tornadoes are rated based on the damage they cause using a set of "Damage Indicators" which estimate wind speeds based on different levels of damage. Before April 1, 2013, the scale used to rate tornadoes in Canada was the Fujita scale. Following this day, Environment Canada started to use the Enhanced Fujita scale. [2]
Less than 5% of tornadoes that occur in Canada are rated as F3/EF3 or higher. The only officially rated F5/EF5 tornado in Canada is the 2007 Elie Tornado , however Thomas P. Grazulis of The Tornado Project has unofficially rated the 1920 Alameda-Frobisher Tornado and the 1935 Benson Tornado as F5 (neither having any official intensity ratings ...
Each year, more than 2,000 tornadoes are recorded worldwide, with the vast majority occurring in North America and Europe. [ 1 ] [ 2 ] To assess the intensity of these events, meteorologist Ted Fujita devised a method to estimate maximum wind speeds within tornadic storms based on the damage caused; this became known as the Fujita scale .
The most notable tornado outbreak of 2023 was the deadly and now historic outbreak that impacted large portions of the Midwest, South, and East U.S. on March 31 and April 1.
May 31 – North Bay, Ontario, was struck by two weak tornadoes. June 23 – a weak tornado touched down in Ottawa between Kanata and Barrhaven.; July 28 – severe thunderstorms over Northern Ontario produced a tornado over Halfway Lake Provincial Park (70 km (43 mi) north of Sudbury) where 800 people were camping at the time, fallen trees injure 4 campers.
A violent long-tracked tornado caused severe damage along a 62 km path north of Milan. The tornado completely destroyed many homes in Busto Arsizio, Solaro, and Saronno, killing 36 people and injuring another 50, becoming one of the most destructive Italian tornadoes. [citation needed] 1912 Brețcu tornado: 13 May 1912: Brețcu, Romania: 1: 17 ...