请密切关注天气情况,做足保暖措施,防止冻伤。. `6 R1 D( `# f2 Q6 Q- P A/ i4 E
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. 9 h. j8 Z3 J7 a, o3 Z, K: ~) k 7 h0 n7 D4 F6 N: v: `# P1 ?At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.