Squall Warning In Effect

Squalls with wind gusts up to 60 knots, frequent lightning, hail up to 6 centimetres and poor to very poor visibility in thunderstorms heavy at times are expected or occurring in the area.

A very dangerous thunderstorm over Toronto is heading southeast at roughly 20 knots.

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Large hail can damage vessels and cause injury.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.