At 5:04 p.m. EDT, a line of extremely dangerous thunderstorms is located from Blyth to Seaforth then to Grand Bend. These extremely dangerous thunderstorms are moving quickly to the east at 75 km/h. Destructive wind gusts, loonie to ping pong ball size hail and heavy rain are possible.
Locations and nearby areas that could be impacted include: Goderich, Stratford, Waterloo, Kitchener, Woodstock
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Driving conditions will be difficult. Buildings and/or many trees will be destroyed. Large hail will cause significant damage and injury. There is a risk of life-threatening injury.
Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.
Severe thunderstorms can produce tornadoes.