SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 306
   NWS STORM PREDICTION CENTER NORMAN OK
   815 PM EDT FRI MAY 20 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHERN ALABAMA
          FLORIDA PANHANDLE
          SOUTHERN MISSISSIPPI
          COASTAL WATERS
   
   EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 815 PM UNTIL
   200 AM EDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTH
   NORTHWEST OF GULFPORT MISSISSIPPI TO 80 MILES EAST SOUTHEAST OF
   TALLAHASSEE FLORIDA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
   
   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 302...WW 303...WW 304...WW
   305...
   
   DISCUSSION...LARGE CLUSTERS OF STRONG TO SEVERE THUNDERSTORMS WILL
   CONTINUE SHIFTING SWD ACROSS THE CENTRAL GULF COAST THIS EVENING. 
   AIR MASS WILL REMAIN MODERATELY UNSTABLE WITH SUFFICIENT
   SHEAR/STORM-SCALE ORGANIZATION FOR A THREAT OF LARGE HAIL AND
   DAMAGING WINDS.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 34030.
   
   
   ...EVANS