

242 

WWUS20 KWNS 280950

SEL7

SPC WW 280950

ALZ000-FLZ000-GAZ000-MSZ000-CWZ000-281700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 87

NWS STORM PREDICTION CENTER NORMAN OK

450 AM CDT SAT MAR 28 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN ALABAMA

       FLORIDA PANHANDLE

       SOUTHWESTERN GEORGIA

       FAR SOUTHEAST MISSISSIPPI

       COASTAL WATERS



EFFECTIVE THIS SATURDAY MORNING FROM 450 AM UNTIL NOON CDT.



TORNADOES...HAIL TO 1.5 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 65 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 45 MILES WEST OF MOBILE

ALABAMA TO 30 MILES EAST OF MOULTRIE GEORGIA.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU7).



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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 85. WATCH NUMBER 85 WILL NOT BE IN EFFECT AFTER 450

AM CDT. CONTINUE...WW 84...WW 86...



DISCUSSION...AIR MASS WILL REMAIN UNSTABLE NEAR THE GULF COAST AHEAD

OF STRONG SURFACE COLD FRONT NOW MOVING ACROSS THE LOWER MS RIVER

VALLEY.  GIVEN VERY STRONG LOW LEVEL AND DEEP LAYER

SHEAR...SUPERCELLS WILL REMAIN POSSIBLE ALONG AND NORTH OF COASTAL

WARM FRONT EXTENDING ALONG THE GULF COAST.  TORNADOES...LARGE HAIL

AND DAMAGING WINDS REMAIN POSSIBLE...WITH THREAT EXPANDING NEWD

THROUGH THE MORNING AS STRONG SLY LLJ SPREADS INTO NWRN FL/SWRN GA.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 25035.





...EVANS

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