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000 

WWUS20 KWNS 130131

SEL4

SPC WW 130131

ALZ000-FLZ000-GAZ000-CWZ000-130900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 54

NWS STORM PREDICTION CENTER NORMAN OK

730 PM CST TUE FEB 12 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHEAST ALABAMA

       THE CENTRAL AND EASTERN FLORIDA PANHANDLE

       SOUTHWEST GEORGIA

       COASTAL WATERS



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 730 PM

UNTIL 300 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 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST OF PANAMA

CITY FLORIDA TO 40 MILES SOUTHEAST OF MOULTRIE GEORGIA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



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 52...WW 53...



DISCUSSION...SRN AL/WRN FL PANHANDLE SQLN EXPECTED TO CONTINUE

STEADILY E AS ASSOCIATED STORMS MOVE MORE RAPIDLY NNE ALONG IT.

AMPLIFICATION OF LARGE SCALE TROUGH APPROACHING THE LWR MS VLY WILL

MAINTAIN MDT TO STRONG WIND FIELD ACROSS REGION...SUPPORTING

POTENTIAL FOR SUSTAINED EMBEDDED STORMS.  WHILE SFC-BASED

INSTABILITY DECREASES WITH NRN AND ERN EXTENT INTO GA/ERN FL

PANHANDLE...GIVEN STRENGTH OF WIND FIELD AND LIKELIHOOD FOR AT LEAST

MODEST DESTABILIZATION NWD FROM THE GULF...EXPECT THAT ISOLATED

DAMAGING WIND/TORNADO THREAT WILL PERSIST ACROSS WW AREA THROUGH AT

LEAST LATE TONIGHT.



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 400.

MEAN STORM MOTION VECTOR 21035.





...CORFIDI

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