今晚和明晨要出门的朋友请注意Wind chill warning in effect.

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请密切关注天气情况，做足保暖措施，防止冻伤。
. o( |: [8 J9 ^: q6 j$ fA 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.
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$ k0 h: J  U& N; b; b! WAt these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.

DELTA