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。
- Z% W& a9 Q$ |4 ]9 oA 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.
) y% H. [; i" P+ R6 I' }2 @7 S# s
: g, j/ Z  |7 A4 T- a9 c5 w  I* ?At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.

DELTA