Severe thunderstorm alerts issued as cold front sweeps through southern Ontario
Tuesday, August 26, 2014, 4:29 PM -
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After a day of intense heat and humidity, Environment Canada dropped a heat warning that had been in place for most of Tuesday.
The warnings, ranging across the southwest and including the Greater Toronto Area, warned of humidex values of 40, and was the first to be issued in 2014.
The humidity was a key ingredient in thunderstorm risk across the region, which was in the path of a cold front passing through.
That prompted severe thunderstorm watches to be issued all across the south of Ontario, again including the Greater Toronto Area, but atmospheric conditions prevented the formation of major storms in the southwest, although some wind damage was reported in Windsor.
Most watches from Durham Region and Barrie westward dropped in the early evening, and all had dropped by 9:15 p.m.
More seriously, the storms sparked tornado warnings across the border in Quebec.
The cold front sweeping across the region will bring a return to seasonal temperature values for the remainder of the week.
With files from Andrea Bagley and Daksha Rangan