SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 67
   NWS STORM PREDICTION CENTER NORMAN OK
   120 PM EST TUE MAR 22 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          EAST CENTRAL GEORGIA
          SOUTHERN SOUTH CAROLINA
          COASTAL WATERS
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 120 PM UNTIL 800
   PM EST.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 100 MILES WEST
   SOUTHWEST OF AUGUSTA GEORGIA TO 50 MILES SOUTH SOUTHEAST OF
   CHARLESTON SOUTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH
   SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
   
   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 63...WW 64...WW 65...WW
   66...
   
   DISCUSSION...ELEVATED STRONG/SEVERE STORMS SHOULD CONTINUE TO
   DEVELOP/SPREAD NEWD ACROSS GA INTO SC THROUGH THE AFTERNOON AND
   EVENING IN A PRONOUNCED WAA REGIME.  VERTICAL SHEAR AND ELEVATED
   INSTABILITY WILL BECOME SUFFICIENT FOR EMBEDDED SUPERCELLS WITH
   LARGE HAIL GIVEN THAT THE MOST UNSTABLE PARCELS ARE BASED ABOVE THE
   GROUND.  HOWEVER...AN ISOLATED TORNADO CANNOT BE RULED OUT ACROSS
   THE SRN PORTION OF THE WW AREA IN SE GA...WHERE INSTABILITY IS BASED
   CLOSER TO THE SURFACE.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
   MOTION VECTOR 24025.
   
   
   ...THOMPSON