According to Environment and Climate Change Canada (2018), an F1 tornado touched down near Matawin River Provincial Nature Reserve, ON. The tornado travelled for 17 km with a maximum width of 530 metres. The tornado caused no fatalities, injuries or property damage.
Sources
Environment and Climate Change Canada Data. (2018). Canadian National Tornado Database: Verified Events (1980-2009) – Public. Retrieved from: http://donnees.ec.gc.ca/data/weather/products/canadian-national-tornado-database-verified-events-1980-2009-public/