

645 

WWUS20 KWNS 260058

SEL8

SPC WW 260058

FLZ000-CWZ000-260500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 8

NWS STORM PREDICTION CENTER NORMAN OK

800 PM EST TUE JAN 25 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EAST CENTRAL AND SOUTH FLORIDA

       COASTAL WATERS



EFFECTIVE THIS TUESDAY NIGHT FROM 800 PM UNTIL MIDNIGHT 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 50 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTH NORTHEAST OF

WEST PALM BEACH FLORIDA TO 10 MILES SOUTH SOUTHWEST OF NAPLES

FLORIDA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 7...



DISCUSSION...LINE OF SEVERE STORMS CONTINUES TO TRACK EASTWARD

ACROSS THE FL PENINSULA THIS EVENING.  LOW LEVEL AND DEEP LAYER

VERTICAL SHEAR REMAINS FAVORABLE FOR EMBEDDED SUPERCELLS ALONG THE

LINE...WITH A RISK OF DAMAGING WINDS AND TORNADOES.  LINE IS

EXPECTED TO WEAKEN AND MOVE OFFSHORE BY 05Z.



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

400. MEAN STORM MOTION VECTOR 25035.





...HART

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