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000 

WWUS20 KWNS 121535

SEL5

SPC WW 121535

FLZ000-CWZ000-122300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 385

NWS STORM PREDICTION CENTER NORMAN OK

1130 AM EDT TUE JUN 12 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL FLORIDA PENINSULA

       COASTAL WATERS



EFFECTIVE THIS TUESDAY MORNING AND EVENING FROM 1130 AM UNTIL 700

PM EDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHWEST OF

ORLANDO FLORIDA TO 50 MILES SOUTH OF AVON PARK FLORIDA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU5).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 384...



DISCUSSION...ESTABLISHED COLD POOL WITH ORGANIZED LINE OF

THUNDERSTORMS ACROSS NORTHERN FL AND DESTABILIZING DOWNSTREAM AIR

MASS WITH MUCAPE UP TO 3000 J/KG WILL MAINTAIN FORWARD PROPAGATION

AND ATTENDANT THREAT FOR PRIMARILY DAMAGING WINDS SOUTHWARD INTO

CENTRAL FL.  LARGE HAIL WILL ALSO BE POSSIBLE WITH THIS ACTIVITY.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 30025.





...PETERS/HALES

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