$ g8 v" x' F, b1 m6 _( v0 JA 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." q: F* `: K- s1 k2 T
At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes. $ N1 \4 `, X! ]+ K4 f2 \# D