SPC Center Public Severe Weather Outlook (PWO)

Public Severe Weather Outlook
      
PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0647 AM CDT THU MAY 24 2012

...SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND TORNADOES EXPECTED
OVER PARTS OF THE UPPER MISSISSIPPI VALLEY THIS AFTERNOON AND
TONIGHT...

THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND
TORNADOES OVER PARTS OF THE UPPER MISSISSIPPI VALLEY THIS AFTERNOON
AND TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

       NORTHEASTERN IOWA
       FAR NORTHWESTERN ILLINOIS
       A SMALL PART OF THE UPPER PENINSULA OF MICHIGAN
       FAR SOUTHEASTERN MINNESOTA
       MUCH OF WISCONSIN

ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM...PORTIONS OF THE
UPPER MISSISSIPPI VALLEY AND UPPER GREAT LAKES SOUTHWESTWARD INTO
KANSAS AND MISSOURI.

INTENSIFYING SURFACE LOW PRESSURE WILL TRACK NORTHEASTWARD ALONG A
FRONT ACROSS THE UPPER MISSISSIPPI VALLEY AND INTO ONTARIO CANADA
TODAY THROUGH TONIGHT. THE COLD FRONT TRAILING SOUTH OF THE LOW WILL
SURGE EASTWARD ACROSS PARTS OF EASTERN IOWA AND SOUTHEASTERN
MINNESOTA AND INTO WISCONSIN THIS AFTERNOON INTO TONIGHT...AS A
STRONG UPPER-LEVEL STORM SYSTEM MOVES NORTHEASTWARD. THUNDERSTORMS
WILL DEVELOP WITHIN THE WARM AND MODERATELY HUMID AIR MASS NEAR AND
JUST AHEAD OF THE FRONT ACROSS THE UPPER MISSISSIPPI VALLEY BY LATE
AFTERNOON AND TRACK EASTWARD INTO TONIGHT. ONE OR MORE FAST-MOVING
SQUALL LINES WILL LIKELY ORGANIZE AND BE CAPABLE OF PRODUCING SWATHS
OF WIDESPREAD DAMAGING WINDS. TORNADOES...AS WELL AS SEVERE
HAIL...WILL ALSO BE POSSIBLE. SEVERE STORMS WILL BE RELATIVELY MORE

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