

000 

WWUS20 KWNS 301803

SEL0

SPC WW 301803

FLZ000-CWZ000-010100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 940

NWS STORM PREDICTION CENTER NORMAN OK

105 PM EST SUN NOV 30 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND SOUTH FLORIDA

       COASTAL WATERS



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 105 PM UNTIL 800

PM EST.



TORNADOES...HAIL TO 0.5 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 85 STATUTE

MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTHWEST OF MIAMI

FLORIDA TO 25 MILES NORTHEAST OF ORLANDO FLORIDA.  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 939...



DISCUSSION...SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO

INCREASE IN COVERAGE AND INTENSITY THIS AFTERNOON IN REGION OF VERY

STRONG VERTICAL SHEAR BUT MINIMAL CAPE.  DESPITE WEAK LAPSE RATES

ALOFT...IMPRESSIVE LOW LEVEL VERTICAL SHEAR WILL PROMOTE A FEW

ORGANIZED/SUPERCELL STORMS CAPABLE OF TORNADOES AND DAMAGING WINDS.



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

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 24040.





...HART

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