本帖最后由 qfweiwei 于 2014-3-1 22:08 编辑 3 v/ P! n$ A! x, ?8 V! k . a6 l0 q; {2 Z" x/ _/ tA 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. / R$ c0 Y; U- @6 mAt these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes. 3 T" R M1 _+ g3 Y. {
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发表于 2014-2-28 22:27
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发表于 2014-2-28 22:34
