

295 

WWUS20 KWNS 111048

SEL0

SPC WW 111048

FLZ000-GAZ000-CWZ000-111700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 950

NWS STORM PREDICTION CENTER NORMAN OK

550 AM EST THU DEC 11 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       A LARGE PART OF NORTHERN FLORIDA

       PARTS OF SOUTHERN AND SOUTHEASTERN GEORGIA

       COASTAL WATERS



EFFECTIVE THIS THURSDAY MORNING FROM 550 AM UNTIL NOON EST.



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 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES WEST SOUTHWEST OF

AVON PARK FLORIDA TO 40 MILES NORTH NORTHWEST OF VIDALIA GEORGIA.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU0).



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.



DISCUSSION...STRONG SQUALL LINE OVER NERN GULF OF MEXICO DRIVEN BY

DEEPENING LOW SURFACE AND ALOFT WILL SWEEP E AND NE ACROSS THE WATCH

AREA THIS MORNING.  IN ADDITION TO STRONG/DAMAGING WINDS ASSOCIATED

WITH THE SQUALL LINE...EMBEDDED SUPERCELLS AND POSSIBLE TORNADOES

ARE ALSO A 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 450.

MEAN STORM MOTION VECTOR 22035.





...HALES

