SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 343
   NWS STORM PREDICTION CENTER NORMAN OK
   705 PM CDT SAT MAY 28 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL TEXAS
   
   EFFECTIVE THIS SATURDAY NIGHT FROM 705 PM UNTIL MIDNIGHT CDT.
   
   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 40
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTH
   NORTHWEST OF JUNCTION TEXAS TO 125 MILES EAST OF WACO TEXAS.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU3).
   
   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 339...WW 340...WW 341...WW
   342...
   
   DISCUSSION...ISOLATED STRONG/SEVERE STORMS ARE EXPECTED TO CONTINUE
   TO DEVELOP ALONG RESIDUAL OUTFLOW BOUNDARY OVER CENTRAL TX. 
   MOIST/UNSTABLE AIRMASS...WEAK CONVERGENCE ALONG BOUNDARY...AND
   FAVORABLE DEEP LAYER VERTICAL SHEAR WILL AID THREAT.
   
   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 27025.
   
   
   ...HART