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Warnings
City of Calgary
3:38 PM MST Sunday 27 January 2008
Wind chill warning for
City of Calgary continued
Extreme wind chills tonight and Monday.
This is a warning that extreme wind chill conditions are imminent or occurring in these regions. Monitor weather conditions..Listen for updated statements.
Blizzard conditions are forecast to begin this evening for the Coronation, Medicine Hat and Cypress Hills regions.
An intense low pressure system developing over Montana will interact with a strong cold front currently moving southwards through central Alberta to generate blizzard conditions beginning this evening in Coronation, Medicine Hat, and Cypress Hills regions. The blizzard conditions are expected to persist in these regions into Monday morning. These weather conditions are likely to include north to northwest winds of 40 gusting to 60 km/h, 5-10 centimetres of snow, visibilities below 1 kilometre for prolonged periods of time and wind chills in the minus 30 to minus 40 range. A few areas in the Cypress Hills region can expect local heavy amounts of 15 centimetres or more by Monday.
An Arctic air mass will settle over Alberta dropping temperatures to minus 35 to minus 40 overnight. Brisk winds will continue to be from the north at 20 to 30 km/h. The very cold temperatures combined with the wind will produce extreme wind chill values below minus 40 tonight into Monday morning. High risk of frostbite. Exposed skin can freeze in 5 to 10 minutes or sooner depending on wind speed.
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