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URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 524
NWS STORM PREDICTION CENTER NORMAN OK
140 PM EDT SAT JUN 26 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN FLORIDA
SOUTHERN GEORGIA
COASTAL WATERS
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
800 PM EDT.
HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 60 MILES NORTHWEST OF TALLAHASSEE
FLORIDA TO 35 MILES NORTH NORTHEAST OF JACKSONVILLE FLORIDA.
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.
DISCUSSION...CONVECTION WILL CONTINUE TO INCREASE ALONG AND AHEAD OF
OUTFLOW FROM ONGOING CLUSTER OF STRONG/SEVERE STORMS CURRENTLY IN
THE CENTRAL FL PANHANDLE AND FAR SERN AL. WELL DEFINED SURFACE
BOUNDARY EXTENDS EWD JUST NORTH OF THE FL-GA BORDER AND SHOULD
CONTINUE FOCUSING SEVERE THREAT THROUGH THE EARLY EVENING WITH EWD
MOVING CONVECTIVE COMPLEX AND/OR STORMS DEVELOPING AHEAD OF THIS
ACTIVITY INTO SERN GA/NERN FL. SHEAR REMAINS SUFFICIENT...GIVEN
STRONG INSTABILITY PRESENT SOUTH OF SURFACE FRONT...FOR INCREASED
THREAT OF DAMAGING WINDS.
AVIATION...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 27025.
