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WWUS20 KWNS 071145
SEL4  
SPC WW 071145
FLZ000-GAZ000-CWZ000-071700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 104
NWS STORM PREDICTION CENTER NORMAN OK
645 AM EST FRI MAR 7 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       NORTHERN FLORIDA
       SOUTHEASTERN GEORGIA
       COASTAL WATERS

EFFECTIVE THIS FRIDAY MORNING FROM 645 AM UNTIL NOON 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 65 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST OF CROSS CITY
FLORIDA TO 10 MILES NORTH NORTHEAST OF ST AUGUSTINE FLORIDA.  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.

DISCUSSION...INTENSE LINEAR MCS WILL CONTINUE EWD ACROSS NRN FL/SERN
GA THIS MORNING WITH BOTH BOWING SEGMENTS AND SUPERCELLS.  ISOLATED
SUPERCELLS ARE ALSO POSSIBLE AHEAD OF THE LINE AND ALONG TRAILING
OUTFLOW.  LOW LEVEL SHEAR REMAINS EXTREME UNDER 70+ KT SWLY
LLJ...AND INSTABILITY WILL LIKELY BECOME INCREASINGLY SURFACE-BASED
WITH MODEST HEATING THIS MORNING.  DAMAGING WINDS WILL BE PRIMARY
SEVERE THREAT...THOUGH TORNADO THREAT MAY BECOME MORE PRONOUNCED
LATER THIS MORNING.

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 23035.

..EVANS
WWWW

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