- A! L! v" r5 `6 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." |$ i& O9 v9 [) W
At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.- k; T4 g" o" _0 S" O