请密切关注天气情况,做足保暖措施,防止冻伤。! @6 F; P* r5 a& ]8 L$ ]! M. C/ R
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.7 l! e5 Q2 f% E1 U0 c' k0 `
; W7 t# C" W. R; i, P' O: v/ c: W) hAt these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.