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 ...
Fast-forward more than 70 years, and people receive alerts on their phones when there is a tornado threat for their precise location. Here are 10 facts about some of the biggest, strongest and ...