WINTER STORM WARNING
Warning Issue Date: 343 PM CST THU DEC 24 2009
...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT CST FRIDAY
NIGHT...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR FREEZING RAIN THAT HAS FALLEN AND IS NOW CAUSING
POWER ISSUES IN SOME LOCATIONS...WHICH IS IN EFFECT UNTIL MIDNIGHT CST
FRIDAY NIGHT. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.
THE WINTER STORM WATCH IS NO LONGER IN EFFECT.
...WINTER STORM WARNING...
* SHORT TERM TRENDS...ADDITIONAL LIGHT RAIN MAY IMPACT THE AREA
TONIGHT AND AT TIMES STILL ADD ADDITIONAL ICE ACCUMULATIONS TO
WHAT HAS ALREADY FALLEN EARLIER TODAY. DUE TO THE WEIGHT AND
AMOUNT OF ICE THAT HAS ALREADY OCCURRED...SOME POWER OUTAGES AND
ADDITIONAL TRAVEL PROBLEMS ARE VERY LIKELY.
* LONG TERM TRENDS...THE PRECIPITATION SHOULD SWITCH TO MAINLY
RAIN LATE TONIGHT AND EARLY THURSDAY BEFORE TRANSITIONING BACK
TO A WINTRY MIX AND EVENTUALLY ALL SNOW LATE THURSDAY. ONCE IT
DOES THE SNOW MAY BE HEAVY AND WIND BLOWN...ESPECIALLY INTO
FRIDAY WHEN WINDS INCREASE.
* STORM TOTAL SNOW ACCUMULATIONS...BY THE TIME THE SNOW ENDS
SATURDAY...STORM TOTAL ACCUMULATIONS SHOULD RANGE FROM TWELVE TO
FOURTEEN INCHES.
* WINDS...BRISK EAST WINDS OF 15 TO 25 MPH WILL BE COMMON TODAY
INTO THURSDAY. BY FRIDAY...WINDS WILL BECOME NORTHWEST AT 25
TO 35 MPH WITH HIGHER GUSTS.
* VISIBILITY...DURING THE PERIODS OF HEAVIER SNOW LATE THURSDAY
AND FRIDAY...VISIBILITIES WILL GENERALLY BE LESS THAN ONE MILE
AND EVEN DOWN TO A QUARTER MILE DURING THE HEAVIEST SNOWS.
WITH INCREASING WINDS AND SNOW COINCIDENT BY FRIDAY...BLOWING
SNOW AND GREATLY REDUCED VISIBILITIES NEAR BLIZZARD CONDITIONS
ARE EXPECTED BY THAT TIME ESPECIALLY WEST OF INTERSTATE 35.
* IMPACTS...TRAVEL WILL BECOME INCREASINGLY DIFFICULT IN THE WATCH
AREA ON ON CHRISTMAS EVE NIGHT AND CHRISTMAS DAY AS SNOW
ACCUMULATES AND WINDS INCREASE. IN THE HEAVIEST SNOW AREAS...
TRAVEL MAY BECOME NEARLY IMPOSSIBLE DUE TO BLOWING AND DRIFTING
SNOW THURSDAY NIGHT INTO FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
$$
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