WIND CHILL ADVISORY
Warning Issue Date: 252 PM CST THU DEC 31 2009
...WIND CHILL ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 4 AM
CST SATURDAY...
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO
4 AM CST SATURDAY.
* WIND CHILL VALUES...WIND CHILL INDICES WILL FALL TO 25 BELOW TO
35 BELOW ZERO THIS EVENING...BEFORE WINDS START TO DROP OFF
LATER TONIGHT.
* WIND AND VISIBILITY...NORTHWEST WINDS OF 10 TO 15 MPH WILL
PERSIST INTO THIS EVENING...WITH A GRADUAL DECREASE TO 5 TO 10
MPH OCCURRING AFTER MIDNIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WIND CHILL ADVISORY IS ISSUED WHEN A BRISK WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.
$$
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