本帖最后由 qfweiwei 于 2014-3-1 22:08 编辑 * \* Q$ v, G; r( g3 `+ W6 j3 R* Z+ u- l/ ?" p
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. , ~* l- `0 R$ W- i; L* B! QAt these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.$ m$ E! y% r8 ~' b3 x) n& [