[BNAWX] Public Severe Weather Alert

[EMWIN Server]

WOUS40 KWNS 240921
PWOSPC
ALZ000-ARZ000-LAZ000-MSZ000-TNZ000-241800-

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0421 AM CDT SAT APR 24 2010

...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE LOWER MISSISSIPPI
RIVER VALLEY...MID SOUTH AND TENNESSEE RIVER VALLEY TODAY...

THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF A FEW STRONG...LONG-TRACK TORNADOES OVER PARTS OF THE
LOWER MISSISSIPPI RIVER VALLEY...MID SOUTH AND TENNESSEE RIVER
VALLEY TODAY.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

       ALABAMA
       ARKANSAS
       LOUISIANA
       MISSISSIPPI
       TENNESSEE

ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM...THE NORTHERN GULF
COAST NORTHWARD INTO THE LOWER MISSOURI VALLEY AND MIDDLE
MISSISSIPPI VALLEYS EASTWARD INTO THE OHIO VALLEY AND SOUTHERN
APPALACHIANS.

A VIGOROUS UPPER LEVEL STORM SYSTEM WILL CONTINUE TO STRENGTHEN
TODAY AS IT MOVES FROM TEXAS NORTHEASTWARD TO THE SOUTHERN GREAT
LAKES REGION OVERNIGHT.  A COLD FRONT WILL MOVE EASTWARD ACROSS THE
MIDDLE AND LOWER MISSISSIPPI RIVER VALLEY TODAY BEFORE MOVING
EASTWARD INTO THE OHIO RIVER VALLEY AND EXTENDING SOUTHWARD TO THE
MID SOUTH REGION LATE TONIGHT.

AHEAD OF THE COLD FRONT...A WARM...INCREASING MOIST AND UNSTABLE AIR
MASS WILL SPREAD NORTHWARD FROM THE LOWER MISSISSIPPI RIVER VALLEY
AND NORTHERN GULF COAST STATES INTO THE MIDDLE MISSISSIPPI AND OHIO
RIVER VALLEYS.  STRONG TO SEVERE THUNDERSTORMS ONGOING THIS MORNING
WILL CONTINUE TO DEVELOP AND BECOME MORE NUMEROUS THROUGHOUT THE DAY
AND INTO TONIGHT AS THEY SPREAD NORTHEASTWARD ACROSS A LARGE PORTION
OF THE LOWER AND MIDDLE MISSISSIPPI RIVER VALLEY NORTH AND EASTWARD
INTO THE OHIO RIVER VALLEY AND SOUTHERN APPALACHIANS.

A POTENTIALLY SIGNIFICANT SEVERE WEATHER OUTBREAK RESULTING FROM
INCREASINGLY VOLATILE ATMOSPHERIC CONDITIONS WILL LIKELY INCLUDE AN
INCREASING AND CONCENTRATED THREAT FOR TORNADOES...LARGE HAIL...AND
DAMAGING WINDS.  THE AREAS MOST LIKELY TO BE AFFECTED BY THIS
ACTIVITY WILL BE ACROSS THE LOWER MISSISSIPPI RIVER VALLEY BEGINNING
THIS MORNING INTO THE AFTERNOON AND SPREADING NORTHEASTWARD INTO THE
TENNESSEE RIVER VALLEY AND MID SOUTH THIS AFTERNOON AND INTO THE
NIGHTTIME HOURS.  VERY STRONG WINDS ALOFT CHANGING DIRECTION WITH
HEIGHT WILL SUPPORT THE POSSIBILITY FOR A FEW STRONG AND POTENTIALLY
VIOLENT LONG TRACK TORNADOES ACROSS THIS AREA.

STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS POTENTIALLY
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.

..SMITH.. 04/24/2010



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