Calgarians and visitors stampede for shelter as severe thunderstorm hammers city

A severe afternoon thunderstorm pelted numerous Calgary neighbourhoods with hail and flash flooding

Calgary's warning, issued at 4:35 p.m., indicated a line of severe storms were capable of produce toonie sized hail and rainfall in excess of 50 mm. The line of storms streched from a location roughly 20 kilometres west of Calgary to a spot 10 kilometres north of Crossfield.

As of 5:55 p.m., all severe thunderstorm warnings for Calgary and surrounding areas had ended.

Hail was reported in numerous communities throughout the city's northwest and southwest and in the downtown core. Flash flooding was reported in several areas scattered throughout the city including Nolan Hill, Glendale and Thorncliffe.

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  Afternoon hail in Royal Oak (courtesy: @towertwelve)

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  Flooding in the streets of the northwest neighbourhood of Nolan Hill during Saturday afternoon's storm (courtesy: Alanna Leach)

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  Hail on the patio set of a northwest home (courtesy: @HannahLong)

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  Afternoon storm clouds photographed from Sien Lok Park (courtesy: River Valley Adventure)