At 01:34 UTC, Environment Canada meteorologists are tracking a pair of severe thunderstorm capable of producing damaging wind gusts, loonie to ping pong ball size hail and heavy rain.
The thunderstorms are located over Drumheller and 35 km northwest of Craigmyle. The storms are moving to the southeast at 30 km/h.
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Large hail may cause significant damage and injury.
Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.