SPC Public Severe Weather Outlook
Sun, 27 Feb 2011 11:23:02 -0600
PUBLIC SEVERE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 1121 AM CST SUN FEB 27 2011 ...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF ARKANSAS NORTHEASTWARD TO THE LOWER OHIO VALLEY THIS AFTERNOON AND TONIGHT... THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE DEVELOPMENT OF A FEW STRONG TORNADOES OVER PARTS OF ARKANSAS NORTHEASTWARD TO THE LOWER OHIO VALLEY THIS AFTERNOON AND TONIGHT. THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE CENTRAL AND NORTHEAST ARKANSAS SOUTHERN ILLINOIS EXTREME SOUTHWEST INDIANA WESTERN KENTUCKY SOUTHEAST MISSOURI NORTHWEST TENNESSEE ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM PARTS OF KANSAS...OKLAHOMA...AND NORTHEAST TEXAS TO THE OHIO VALLEY. A STRONG UPPER LEVEL STORM SYSTEM OVER ARIZONA AND NEW MEXICO AS OF LATE MORNING WILL MOVE EAST-NORTHEASTWARD OVER KANSAS AND OKLAHOMA THIS EVENING...AND CONTINUING OVER ARKANSAS AND MISSOURI OVERNIGHT. THE UPPER LEVEL SYSTEM WILL BE PRECEDED BY A SURFACE LOW PRESSURE CENTER WHICH WILL DEVELOP EASTWARD ALONG THE KANSAS AND OKLAHOMA BORDER THIS EVENING...AND THEN NORTHEASTWARD INTO THE OHIO VALLEY OVERNIGHT. A MOIST AND UNSTABLE AIR MASS IS SPREADING NORTHWARD ACROSS THE SOUTHERN PLAINS AND LOWER MISSISSIPPI VALLEY IN ADVANCE OF THIS STORM SYSTEM...AND THIS WILL SET THE STAGE FOR SEVERAL ROUNDS OF SEVERE THUNDERSTORMS BEGINNING THIS AFTERNOON AND CONTINUING INTO TONIGHT. THE MOST SIGNIFICANT THREAT FOR TORNADOES SHOULD BEGIN LATER THIS AFTERNOON ACROSS THE NORTHEAST ARKANSAS AND WESTERN TENNESSEERead more
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