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WWUS20 KWNS 110123

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ALZ000-ARZ000-LAZ000-MSZ000-110800-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 25

NWS STORM PREDICTION CENTER NORMAN OK

725 PM CST WED MAR 10 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WESTERN ALABAMA

       SOUTHEAST ARKANSAS

       NORTHEAST LOUISIANA

       CENTRAL MISSISSIPPI



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 725 PM

UNTIL 200 AM CST.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 75 MILES SOUTH SOUTHEAST OF

TUSCALOOSA ALABAMA TO 40 MILES SOUTH SOUTHWEST OF MONTICELLO

ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS.



OTHER WATCH INFORMATION...CONTINUE...WW 21...WW 22...WW 23...WW

24...



DISCUSSION...ISOLATED STRONG/SEVERE STORMS CONTINUE TO AFFECT PARTS

OF WESTERN AL AND EASTERN MS...ALONG AND NORTH OF WEAK SURFACE

BOUNDARY.  THESE STORMS WILL PERSIST FOR A FEW MORE HOURS WHILE NEW

SEVERE ACTIVITY SPREADS INTO WATCH AREA FROM THE WEST.  LOW LEVEL

MOISTURE CONTINUES TO INCREASE ACROSS THE REGION...WITH SUFFICIENT

LOW LEVEL VERTICAL SHEAR FOR A RISK OF SUPERCELLS AND ISOLATED

TORNADOES OVERNIGHT.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

450. MEAN STORM MOTION VECTOR 23035.





...HART

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