[BNAWX] Public Severe Weather Alert

[EMWIN Server]

WOUS40 KWNS 271026
PWOSPC
ARZ000-ILZ000-INZ000-KYZ000-MOZ000-TNZ000-271800-

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0425 AM CST SUN FEB 27 2011

...SIGNIFICANT SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE OZARK
PLATEAU INTO MID-SOUTH/LOWER OHIO VALLEY LATER TODAY AND TONIGHT...

THE NWS STORM PREDICTION CENTER IN NORMAN OKLAHOMA IS FORECASTING
THE DEVELOPMENT OF A FEW STRONG TORNADOES AND POTENTIALLY WIDESPREAD
DAMAGING WINDS OVER PARTS OF THE OZARK PLATEAU INTO MID-SOUTH/LOWER
OHIO VALLEY LATER TODAY AND TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

       MUCH OF ARKANSAS
       SOUTHERN ILLINOIS
       FAR SOUTHWEST INDIANA
       WESTERN KENTUCKY
       SOUTHEAST MISSOURI
       WESTERN TENNESSEE

ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM PORTIONS OF THE
CENTRAL AND SOUTHERN PLAINS EAST/NORTHEAST THROUGH THE MID
MISSISSIPPI/OHIO VALLEYS AND MID-SOUTH.

A POWERFUL UPPER-LEVEL STORM SYSTEM AND ASSOCIATED 100+ MPH JET
STREAM OVER THE SOUTHWESTERN DESERTS THIS MORNING WILL PROGRESS EAST
THROUGH THE SOUTHERN ROCKIES...CENTRAL AND SOUTHERN PLAINS...
REACHING THE MIDDLE AND LOWER MISSISSIPPI VALLEY BY MONDAY MORNING.
MEANWHILE...AN AREA OF LOW PRESSURE IN THE LOWER ATMOSPHERE FORMING
OVER SOUTHEAST COLORADO WILL MOVE EAST ACROSS SOUTHERN KANSAS OR
NORTHERN OKLAHOMA BEFORE ACCELERATING NORTHEAST THROUGH CENTRAL
MISSOURI AND THE OHIO VALLEY TONIGHT.  SOUTHERLY WINDS IN ADVANCE OF
THIS LOW PRESSURE WILL DRAW A WARM AND HUMID AIR MASS NORTH THROUGH
THE CENTRAL AND SOUTHERN PLAINS...MIDDLE/LOWER MISSISSIPPI AND OH
VALLEYS.

INITIAL SEVERE THUNDERSTORM DEVELOPMENT IS EXPECTED THIS AFTERNOON
INTO EVENING OVER PORTIONS OF EASTERN KANSAS INTO WESTERN MISSOURI
AS THE UPPER-AIR DISTURBANCE BEGINS TO INTERACT WITH THE
MOIST...UNSTABLE AIR MASS.  STRONG VERTICAL WIND SHEAR WILL PROMOTE
THE DEVELOPMENT OF INTENSE STORMS CAPABLE OF LARGE HAIL...DAMAGING
WINDS AND A FEW TORNADOES.  THIS ACTIVITY IS EXPECTED TO RAPIDLY
MOVE AND/OR DEVELOP EAST AND NORTHEAST THROUGH THE MID MISSISSIPPI
AND OHIO VALLEYS TONIGHT IN CONJUNCTION WITH THE SURFACE LOW
PRESSURE CENTER.

A SEPARATE AREA OF SEVERE THUNDERSTORMS IS EXPECTED TO DEVELOP THIS
EVENING INTO TONIGHT FROM THE VICINITY OF A PACIFIC FRONT/DRYLINE
OVER EASTERN OKLAHOMA AND WESTERN ARKANSAS NORTHEAST TOWARD THE
CONFLUENCE OF THE MISSISSIPPI AND OHIO RIVERS.  THESE STORMS WILL
MOVE EAST THROUGH THE EARLY MORNING HOURS MONDAY WITH A RISK FOR
POTENTIALLY WIDESPREAD DAMAGING WINDS AND TORNADOES /SOME POSSIBLY
STRONG/ FROM THE OZARK PLATEAU ACROSS PARTS OF THE MID-SOUTH.

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.

..MEAD.. 02/27/2011


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