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

qfweiwei

请密切关注天气情况，做足保暖措施，防止冻伤。
# T+ q. T& d! l/ O& |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.
3 B! L) J7 X/ n" b1 c8 N$ m& I
. [1 \/ W- j3 R0 yAt these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.

DELTA