SEL1
SPC WW 191105
FLZ000-CWZ000-192000-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 841
NWS STORM PREDICTION CENTER NORMAN OK
705 AM EDT TUE AUG 19 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHERN AND EAST CENTRAL FLORIDA
COASTAL WATERS
EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 705 AM UNTIL
400 PM EDT.
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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 10 MILES EAST NORTHEAST OF
DAYTONA BEACH FLORIDA TO 65 MILES SOUTH SOUTHWEST OF WEST PALM
BEACH FLORIDA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 840. WATCH NUMBER 840 WILL NOT BE IN EFFECT AFTER
705 AM EDT.
DISCUSSION...TROPICAL STORM FAY WILL CONTINUE TO MOVE NNEWD TOWARD
THE LAKE OKEECHOBEE AREA TODAY...AND THE EAST CENTRAL FL COAST
TONIGHT. CONVECTIVE BANDS WILL SPREAD NWD ALONG THE FL E COAST AS
THE CYCLONE MOVES NNEWD...AND THE REGION OF STRONGER LOW-LEVEL SHEAR
AND TORNADO POTENTIAL WILL LIKEWISE SHIFT NWD ALONG THE COAST DURING
THE DAY.
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
550. MEAN STORM MOTION VECTOR 17035.
...THOMPSON
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