Windchlll Warning. NOAA has upgraded the watch to a warning, meaning it's imminent. The coldest windchill values come tomorrow morning:
URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 340 AM CST SUN JAN 20 2013 ...LOW WIND CHILLS THIS MORNING...THEN DANGEROUS WIND CHILLS SUNDAY NIGHT INTO TUESDAY... .THE COMBINATION OF BRISK NORTHWEST WINDS AND TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO WILL CONTINUE TO CAUSE HAZARDOUS WIND CHILLS AROUND 25 BELOW OVER PORTIONS OF CENTRAL MINNESOTA INTO WEST CENTRAL WISCONSIN THIS MORNING. EVEN COLDER AIR WILL BUILD INTO THE AREA THIS EVENING...WITH LOW TEMPERATURES DROPPING TO BETWEEN 10 AND 15 BELOW NEAR THE IOWA BORDER...TO 20 TO 25 BELOW ACROSS CENTRAL MINNESOTA. THESE BITTERLY COLD TEMPERATURES COMBINED WITH A NORTHWEST WIND OF 10 TO 15 MPH WILL CREATE WIND CHILLS OF 35 TO 45 BELOW ZERO ACROSS CENTRAL AND SOUTH CENTRAL MINNESOTA...AND BETWEEN 25 AND 35 BELOW ACROSS WEST CENTRAL WISCONSIN THROUGH MONDAY MORNING. ONLY A SLIGHT MODERATION OF TEMPERATURES IS EXPECTED DURING THE DAY MONDAY WITH HIGHS EXPECTED TO RANGE FROM 1 BELOW TO 11 BELOW. ANOTHER BITTERLY COLD NIGHT IS ANTICIPATED MONDAY NIGHT WITH LOWS OF 10 BELOW TO 25 BELOW. WINDS WILL BE SLIGHTLY LIGHTER...BUT STRONG ENOUGH TO CREATE WIND CHILLS BETWEEN 25 BELOW AND 35 BELOW INTO TUESDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.
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