请密切关注天气情况,做足保暖措施,防止冻伤。; Q4 k0 M9 P: }8 N+ w2 _- @: ]
A 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. 7 V3 w2 _' d. e$ V , P9 ?5 T& p6 s% x9 g Q+ qAt these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.