Tornadoes are quite rare here in Ottawa, though we do get them from time to time – often quite small and worn out by the time they reach us from the USA. One weekend in Sept 2018 though was an exception, where six tornados touched down and caused quite some damage and several people lost their homes.
https://www.cbc.ca/news/canada/ottawa/ottawa-gatineau-tornado-damage-in-video-and-photos-1.4834478