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000 

WWUS20 KWNS 261558

SEL0

SPC WW 261558

FLZ000-GAZ000-CWZ000-262300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 80

NWS STORM PREDICTION CENTER NORMAN OK

1100 AM EST TUE FEB 26 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN FLORIDA

       SOUTHEASTERN GEORGIA

       COASTAL WATERS



EFFECTIVE THIS TUESDAY MORNING AND EVENING FROM 1100 AM UNTIL 600

PM EST.



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 105 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTHWEST OF CROSS

CITY FLORIDA TO 30 MILES NORTH NORTHEAST OF WAYCROSS 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.



OTHER WATCH INFORMATION...CONTINUE...WW 77...WW 79...



DISCUSSION...DISCRETE SUPERCELL DEVELOPMENT WILL CONTINUE ACROSS WW

TODAY...WITH SOME EVOLUTION INTO SMALL BOW ECHOES...AHEAD OF STRONG

UPPER TROUGH AND ASSOCIATED SURFACE COLD FRONT.  AIR MASS WILL

BECOME INCREASINGLY UNSTABLE FROM SW TO NE OVER THE WATCH AREA...AND

SHEAR WILL REMAIN VERY STRONG DESPITE THE WSWLY WINDS IN LOWER

LEVELS.  ISOLATED TORNADOES WILL BE A CONCERN WITH ANY PERSISTENT

ROTATION...IN ADDITION TO DAMAGING WINDS.



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

450. MEAN STORM MOTION VECTOR 26040.





...EVANS

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