SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 356
   NWS STORM PREDICTION CENTER NORMAN OK
   310 PM EDT MON MAY 31 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTH FLORIDA
          COASTAL WATERS
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 310 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 45 STATUTE MILES
   NORTH AND SOUTH OF A LINE FROM 30 MILES EAST NORTHEAST OF
   JACKSONVILLE FLORIDA TO 45 MILES WEST NORTHWEST OF GAINESVILLE
   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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 353...WW 354...WW 355...
   
   DISCUSSION...THUNDERSTORM CLUSTER DEVELOPING IN SRN GA MAY POSE A
   THREAT FOR DAMAGING WIND AND PERHAPS HAIL ACROSS NRN FL LATER THIS
   AFTERNOON. ACTIVITY SHOULD CONTINUE TO MOVE/DEVELOP ESE INTO VERY
   WARM AND MOIST AIR MASS WITH MODERATE WLY SHEAR.
   
   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 26035.
   
   
   ...CORFIDI