At 5:25 a.m. EDT, a line of severe thunderstorms is located from Brechin to Simcoeside then to Churchill. These severe thunderstorms are moving east at 50 km/h. Strong wind gusts, up to quarter size hail and heavy rain are possible.
Locations and nearby areas that could be impacted include: Newmarket, Lindsay, Markham, Pickering, Ajax, Whitby, Oshawa
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Heavy rain may cause flash flooding and significant reductions to visibility. Large hail may cause significant damage and injury.