HAZARDOUS WEATHER OUTLOOK
Issue Date: 416 PM CST WED DEC 23 2009
Expiration: 600 AM CST THU DEC 24 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.
.DAY ONE...THIS AFTERNOON AND TONIGHT
A FEW THUNDERSTORMS ARE POSSIBLE SOUTH OF INTERSTATE 80 THROUGH THIS
EVENING. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
A POTENT WINTER STORM IS EXPECTED TO CONTINUE TO AFFECT THE STATE
THURSDAY INTO SATURDAY. HOWEVER...WARMER AIR WILL PUSH INTO THE
AREA AHEAD OF THE SURFACE LOW PRESSURE FOR A LONG DURATION. THIS
IS EXPECTED TO CAUSE FOR RAIN ON THURSDAY BEFORE SWITCHING OVER
TO A WINTRY MIX THURSDAY EVENING AND THURSDAY NIGHT...THEN TO ALL
SNOW BY FRIDAY AND INTO THE WEEKEND. TOTAL RAINFALL AMOUNTS OF UP
TO 2 INCHES ARE POSSIBLE BY THURSDAY NIGHT. IN ADDITION...WITH THE
CURRENT SNOW PACK CONTAINING AROUND 1 TO 2 INCHES OF LIQUID
EQUIVALENT...AREAS OF FLOODING ARE POSSIBLE...ESPECIALLY AREAS
PRONE TO ICE JAMS AND RAPID RISES IN RIVER AND CREEK LEVELS. A
FLOOD WATCH IS IN EFFECT FOR THE AREA FROM THURSDAY MORNING
THROUGH THURSDAY NIGHT. PLEASE REFER TO THE NATIONAL
WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER
DETAILS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT ANY SNOWFALL AND ICE
ACCUMULATION REPORTS ARE APPRECIATED AND ENCOURAGED.
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