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000 

WWUS20 KWNS 010156

SEL6

SPC WW 010156

ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-011200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 876

NWS STORM PREDICTION CENTER NORMAN OK

850 PM CDT SUN AUG 31 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN ALABAMA

       FLORIDA PANHANDLE

       SOUTHEAST LOUISIANA

       SOUTHERN MISSISSIPPI

       COASTAL WATERS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 850 PM UNTIL

700 AM CDT.



TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTHWEST OF BATON

ROUGE LOUISIANA TO 20 MILES NORTH NORTHEAST OF APALACHICOLA

FLORIDA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 875...



DISCUSSION...HRCN GUSTAV WILL CONTINUE TO APPROACH THE NCNTRL GULF

COAST THROUGH LATE TONIGHT. STRONGER EFFECTIVE SHEAR ON THE ORDER OF

150-200 M2/S2 WAS ALREADY OVERSPREADING PORTIONS OF THE FL PANHDL

AND SERN LA/MS DELTA REGIONS. THIS SHEAR WILL ONLY CONTINUE TO

INCREASE THROUGH THE NIGHT AS THE CENTER OF THE HRCN TRACKS NWWD AND

STRONGER KINEMATIC ENVIRONMENT SPREAD INLAND. CURRENTLY...ONLY ISOLD

DISCRETE STORMS WITHIN THE OUTER RAINBANDS ARE EXHIBITING

PERSISTENCE AND WEAK ROTATION BASED ON AREA RADARS. WITH TIME...THE

RISK FOR MORE NUMEROUS AND STRONGER CORES WITH TORNADO POTENTIAL

SHOULD DEVELOP...ESPECIALLY NEARER THE CENTER OF THE HRCN

CIRCULATION THROUGH EARLY MONDAY.



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

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

450. MEAN STORM MOTION VECTOR 09035.





...CARBIN

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