

000 

WWUS20 KWNS 122025

SEL3

SPC WW 122025

FLZ000-CWZ000-130400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 53

NWS STORM PREDICTION CENTER NORMAN OK

320 PM EST TUE FEB 12 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       FLORIDA PENINSULA

       COASTAL WATERS



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 320 PM UNTIL

1100 PM 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 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF OCALA

FLORIDA TO 65 MILES SOUTH SOUTHWEST OF MIAMI FLORIDA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU3).



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 51...WW 52...



DISCUSSION...UPPER LEVEL TROUGH WAS LOCATED IN THE SERN GULF OF

MEXICO AND IS EXPECTED TO MOVE NEWD ACROSS THE CENTRAL FL PENINSULA

THIS EVENING. STRENGTHENING WIND PROFILES WILL PROVIDE FAVORABLE

SHEAR FOR SUPERCELLS. A VERY MOIST BOUNDARY LAYER...WITH DEWPOINTS

INCREASING TO NEAR 70F...AND LOW LEVEL SHEAR STRENGTHENING TO NEAR

20 KT WILL BE FAVORABLE FOR WIND DAMAGE AND A FEW TORNADOES.



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 500.

MEAN STORM MOTION VECTOR 22030.





...IMY

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