Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and heavy rain.
Potential rainfall rates: locally 25 to 50 mm per hour in thunderstorms.
Potential wind gusts: 70 to 90 km/h in thunderstorms.
Potential hail size: dime.
Time span: this afternoon until late this evening.
Remarks: Thunderstorms, with potential to become severe, are expected to develop as the air mass over the region becomes increasingly unstable.
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Heavy rain can cause flash flooding and significant reductions to visibility. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to PEstorm@ec.gc.ca or post reports on X using #PEStorm.