| Comments | On April 27th and 28th, a weather system moved through southern Ontario and southern Quebec, and brought strong winds and severe thunderstorms. Ontario's first tornado of the season (April 27th) was confirmed; an EF0 near Fergus, ON. Wind warnings were also issued across many parts of southern Ontario. With this, there was widespread wind damage and other storm-related damage. In St. Catharines, for example, Lockview Public School experienced significant roof damage during school hours. The high winds also caused bridge closures including the Garden City Skyway after a tractor trailer blew over. Additionally, the storm caused flooding in Quebec; 100 residents were evacuated in Coaticook when the Coaticook River flooded its banks. This system also caused a few injuries and 2 fatalities. The insurable losses in both Ontario and Quebec was estimated to be $199.9 million (2011 CAD). |