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Severe thunderstorm watch issued for Montreal at tail end of heat wave

The Gazette logo The Gazette 2017-09-27 Montreal Gazette
092717-no_object-222816408-0801_extra_viewfinder-W.jpg:   © Frederic Hore  

The good news is the extreme heat warning Montrealers woke up to on Wednesday morning will probably be lifted Wednesday afternoon.

The bad news is we’ll probably have to endure a severe thunderstorm before we get there.

The cooler temperatures expected later Wednesday are forecast to push a string of thunderstorms ahead of them before they get here.

Environment Canada issued a severe thunderstorm watch at a little before 10 a.m. Wednesday for the areas of Châteauguay—La Prairie, Laval, Longueuil—Varennes and Montreal Island.

The storms, should they materialize, will affect areas north of the St. Lawrence River around suppertime before moving south across the river.

There is a risk of a tornado with high gusty winds and heavy rain.

The federal weather agency issues severe thunderstorm watches when conditions are favourable for the development of thunderstorms that could produce large hail, damaging winds and torrential rainfall.

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