本帖最后由 qfweiwei 于 2014-3-1 22:08 编辑 # W5 x9 |8 p [5 `; P9 I, X 9 y7 \' e' `$ N; B7 N2 h" ?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.$ ]5 e) R4 F' F
At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes. ) s7 C0 t$ k8 X$ h