本帖最后由 qfweiwei 于 2014-3-1 22:08 编辑 2 s0 ~) F1 j; @& c! v8 g + b6 Q g7 o8 f5 i6 y/ I, sA 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 ~/ C# p% I4 Q R8 r3 x
At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes. ) |8 k# ^7 w6 ]0 Q5 D' e/ j