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WWUS20 KWNS 090840

SEL5

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ALZ000-LAZ000-MSZ000-091400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 45

NWS STORM PREDICTION CENTER NORMAN OK

240 AM CST WED MAR 9 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST ALABAMA

       SOUTHEAST LOUISIANA

       SOUTHERN MISSISSIPPI



EFFECTIVE THIS WEDNESDAY MORNING FROM 240 AM UNTIL 800 AM CST.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

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



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE

MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH SOUTHEAST OF MC

COMB MISSISSIPPI TO 55 MILES NORTH NORTHEAST OF PINE BELT

MISSISSIPPI.  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 44...



DISCUSSION...CLUSTERS/LINES OF STRONG-SEVERE THUNDERSTORMS WILL

CONTINUE TO TRACK EASTWARD ACROSS THE WATCH AREA THROUGH THE

MORNING.  SHEAR PROFILES ARE QUITE STRONG AND FAVOR SUPERCELL STORMS

CAPABLE OF DAMAGING WINDS AND TORNADOES.  IF ANY DISCRETE CONVECTION

CAN FORM IN THE WARM SECTOR...THEY WOULD POSE THE GREATEST TORNADO

THREAT.



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

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.

MEAN STORM MOTION VECTOR 27030.





...HART

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