SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 14
   NWS STORM PREDICTION CENTER NORMAN OK
   1035 AM EST WED FEB 25 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTH FLORIDA
          COASTAL WATERS
   
   EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 1035 AM UNTIL
   400 PM EST.
   
   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 50 STATUTE MILES
   EITHER SIDE OF A LINE FROM 80 MILES WEST OF MIAMI FLORIDA TO 20
   MILES NORTHEAST OF MIAMI 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...LINE OF STRONG/SEVERE STORMS ARE EXPECTED TO DEVELOP
   SEWD THROUGH THE FL PENINSULA INTO THE AFTERNOON. INFLUX OF RICH LOW
   LEVEL MOISTURE AND STRONG SURFACE HEATING WILL CONTRIBUTE TO
   MODERATE INSTABILITY. STRONG MAINLY UNIDIRECTIONAL SWLY SHEAR WILL
   SUPPORT ORGANIZED STORMS INCLUDING BOW ECHOES AND EMBEDDED
   SUPERCELLS WITH DAMAGING WIND THE MAIN THREAT.
   
   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 28035.
   
   
   ...DIAL/HART