Environment Canada issues severe thunderstorm watch for Toronto

Jul 19 2020, 8:27 am

Despite a heat warning already being in effect for Toronto, Environment Canada has issued a severe thunderstorm watch for the region on Sunday.

“Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and heavy rain,” the agency said. “Severe thunderstorms are possible today as a cold front approaches from the west.”

Thunderstorms are possible throughout the afternoon, the forecast says, before weakening and moving east of the area this evening.

Besides the storm’s lightning, there could also be wind gusts nearing 100 km/h.

Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees, and overturn large vehicles.

Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.

Don’t forget to be mindful of the temperatures today as well. Environment Canada says the heat will continue, with a high of 34ºC and a humidex of 42ºC.

Environment Canada

The chance of precipitation drops in the evening, though showers are expected, with lows of 21ºC.

Hot and humid air can deteriorate air quality and the agency encourages people to watch for the effects of heat illness, including swelling, rash, cramps, fainting, heat exhaustion, heatstroke, and the worsening of some health conditions.

Heat warnings are issued by Environment Canada when temperatures reach high enough to cause an elevated risk of heat illnesses.

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