High winds knocked down traffic lights, toppled trees and snapped power lines, cutting electricity to parts of southwestern Ontario on Monday afternoon.
Environment Canada had issued a warning for much of the area, including Waterloo Region, west as far as London-Middlesex and east to Ottawa. It ended in the region around 6: 30 p.m.
The winds stems from a cold front crossing the region, peaking mid-afternoon in Waterloo Region.
It's too early to say how much damage has been done, but drivers are being warned that a number of roadways have been blocked.
Signal lights were damaged in at least ten intersections in Waterloo Region. Police are working to clear debris as municipal crews work quickly to repair the lights.
Gusts hit about 80 kilometres an hour in the Kitchener-Waterloo and Cambridge area, and 96 kilometres an hour at the London airport.
Dust storms have also been reported in a number of rural communities.
