Severe thunderstorms are forecast for northern and central Alberta during the late afternoon and evening. Areas at risk include Edmonton, Slave Lake, Cold Lake, Fort McMurray, and extending north to Hay River, N.W.T.
Hazards include heavy rain, large hail, and strong to damaging winds.
A linear storm mode could generate powerful, outflow wind gusts exceeding 100 km/h as storms strengthen and move toward Fort McMurray, Cold Lake, and Wainwright, eventually crossing into Saskatchewan.
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In southern Alberta near the Alberta-Saskatchewan border, isolated severe storms may develop. Elevated, atmospheric hailers could produce hail as large as golf balls due to high thunderstorm energy and raised cloud bases.
As storms push into Saskatchewan during the evening, a developing surface low could introduce slight atmospheric spin, creating a low, though not null, tornado risk.
Overnight, storms may organize into a linear mesoscale convective system (MCS), with damaging winds up to 110 km/h, affecting areas near Regina and Saskatoon.
