Thunderstorm watch rolls in as Calgary cools off but heat warnings remain elsewhere

Heatwarnings are still in effect for several parts of southeasternAlberta, but Calgariansand those in surrounding areas will be cooling off possibly with nickel-sized hail, Environment Canada warned Wednesday afternoon.

The agency issued a severe thunderstorm watch for Calgary and surrounding areas, including Brooks, Airdrie, Kananaskis, Okotoks, Rocky Mountain House and Whitecourt.

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A severe thunderstorm warning was alsoissued west of Calgary. The storm was located 20 kilometres southwest of Bragg Creek, moving southeast at 20 km/h, around 2 p.m.

It's said to be capable of producing strong gusting winds, nickel-sized hail and heavy rain.

"Heavy downpours can cause flash floods and water pooling on roads. Large hail can damage property and cause injury. Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles. Lightning kills and injures Canadians every year," Environment Canada said on its website.

"Remember, when thunder roars, go indoors!"

Heat warnings remain

The heat warnings stretch from Drumheller to Lethbridge and Okotoks to Medicine Hat. A complete, up-to-date list is available on the agency's website.

Environment Canada is reminding people in these areas to be on alert of the signs of heat exhaustion, including high body temperature, lack of sweat, confusion and fainting.

In Calgary, the temperature is expected to climb back up to28 C on Friday before cooling off again to the high teens or low 20sonthe weekend.

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