请密切关注天气情况,做足保暖措施,防止冻伤。 2 b a. V2 H/ n+ K, Q+ `7 MA very cold Arctic airmass and winds of 15 to 20 km/h will generate wind chill values below minus 40 across much of Alberta tonight. Conditions will improve somewhat by Sunday afternoon as temperatures rise.3 ^4 i5 w6 i! k6 @( |6 x, l2 j
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At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.