Tornadoes can occur all around the world and have been recorded in all Canadian provinces and as far north as the Canadian arctic. In fact, Canada is the world's second-most tornado-prone country.
Video: Canada wildfires: Highest-risk areas have ... Historically, some of the biggest tornadoes in Ontario were recorded in May and June, including EF4 tornadoes in Sarnia in May 1953 and Barrie ...
Environment Canada says thunderstorms uprooted trees ... Historically, some of the biggest tornadoes in Ontario were recorded ...