本帖最后由 qfweiwei 于 2014-3-1 22:08 编辑 ( e+ [: f/ N. y, ?$ _& O5 T5 _
! b) @ a7 _( T+ `$ q$ H( AA 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.+ H3 U- H4 i. ]! M$ a0 |
At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.! ?' {& W& {3 J: Z