High Risk of Severe Weather In Parts of Iowa, Nebraska, SD

National Weather Service ^ | 5/29/08 | NWS

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Public Severe Weather Outlook

   ZCZC SPCPWOSPC ALL
   WOUS40 KWNS 291438
   IAZ000-NEZ000-SDZ000-292245-

PUBLIC SEVERE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0938 AM CDT THU MAY 29 2008

...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE CENTRAL PLAINS THIS AFTERNOON AND TONIGHT...

THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE DEVELOPMENT OF A FEW STRONG TORNADOES OVER PARTS OF THE CENTRAL PLAINS THIS AFTERNOON AND TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

WESTERN IOWA EASTERN HALF OF NEBRASKA FAR SOUTHEAST SOUTH DAKOTA

ELSEWHERE...ORGANIZED SEVERE STORMS ARE ALSO POSSIBLE SURROUNDING THE HIGH RISK FROM WESTERN KANSAS TO SOUTHERN WI.

VERY WARM...MOIST AND BUOYANT AIRMASS IS SPREADING NORTHWARD ACROSS THE PLAINS THIS MORNING. THIS NORTHWARD SURGE IN INSTABILITY WILL CREATE A FAVORABLE ENVIRONMENT FOR ORGANIZED...POTENTIALLY DAMAGING...SEVERE THUNDERSTORMS LATER THIS AFTERNOON/EVENING ACROSS THE CENTRAL PLAINS INTO THE MID MS VALLEY REGION.

MID-HIGH LEVEL JET STREAM WINDS WILL INCREASE ACROSS THE CENTRAL ROCKIES INTO THE CENTRAL PLAINS LATER THIS AFTERNOON...ENHANCING THE VERTICAL SHEAR PROFILES FOR SUPERCELL THUNDERSTORMS. GIVEN THE INCREASE IN MOISTURE...ATMOSPHERIC CONDITIONS APPEAR TO BE QUITE FAVORABLE FOR TORNADO DEVELOPMENT LATER TODAY INTO THE EVENING HOURS ACROSS PORTIONS OF NEBRASKA INTO WESTERN IOWA. IN ADDITION...VERY LARGE HAIL AND DAMAGING WINDS COULD ALSO ACCOMPANY SEVERE THUNDERSTORMS INTO THE OVERNIGHT HOURS AS ACTIVITY SPREADS TOWARD SRN WI.

THIS IS POTENTIALLY A VERY DANGEROUS SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO REVIEW SEVERE WEATHER SAFETY RULES AND TO LISTEN TO RADIO...TELEVISION...AND NOAA WEATHER RADIO FOR POSSIBLE WATCHES...WARNINGS...AND STATEMENTS LATER TODAY.

..DARROW.. 05/29/2008

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