DAY1SVR: Public Severe Weather Outlook (Automatic)

211
WOUS40 KWNS 122029
PWOSPC
LAZ000-MSZ000-122330-

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0329 PM CDT SUN APR 12 2009

...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE LOWER MISSISSIPPI
VALLEY THIS AFTERNOON AND TONIGHT...

THE NWS STORM PREDICTION CENTER IN NORMAN OKLAHOMA IS FORECASTING
THE DEVELOPMENT OF A FEW TORNADOES...LARGE HAIL AND DAMAGING WINDS
OVER PARTS OF THE LOWER MISSISSIPPI VALLEY THIS AFTERNOON AND
TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

SOUTHEASTERN HALF OF LOUISIANA
SOUTHERN AND CENTRAL MISSISSIPPI

ALTHOUGH THE COVERAGE IS EXPECTED TO BE LESS THAN EARLIER
EXPECTED...THE THREAT FOR STORMS WITH LARGE HAIL AND DAMAGING WINDS
STILL EXISTS ACROSS THE LOWER MISSISSIPPI VALLEY.

A POWERFUL UPPER LEVEL STORM SYSTEM OVER THE SOUTH CENTRAL PLAINS
STATES WILL CONTINUE TO MOVE EASTWARD INTO SOUTHEASTERN KANSAS
OVERNIGHT.

AT THE SURFACE...A WARM MOIST AIRMASS HAS MOVED INLAND FROM THE
NORTHWESTERN GULF OF MEXICO INTO THE LOWER MISSISSIPPI VALLEY AHEAD
OF AN APPROACHING COLD FRONT. STRENGTHENING WINDS THAT CHANGE
DIRECTION WITH HEIGHT WILL REMAIN FAVORABLE FOR SEVERE STORMS OVER
THE SOUTHEASTERN HALF OF LOUISIANA AND PARTS OF CENTRAL AND SOUTHERN
MISSISSIPPI THIS AFTERNOON AND TONIGHT.

A LARGE SQUALL LINE HAS MOVED INTO LOUISIANA AND MISSISSIPPI THIS
AFTERNOON AND A SEEMINGLY LESS VOLATILE ATMOSPHERE CONDUCIVE TO THE
DEVELOPMENT OF SEVERE STORMS HAS RESULTED OVER PARTS OF LOUISIANA
AND MISSISSIPPI IN ITS WAKE.

STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS DEVELOPING
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.

..SMITH.. 04/12/2009

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