SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 55
   NWS STORM PREDICTION CENTER NORMAN OK
   605 AM CDT MON MAR 21 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL TEXAS
   
   EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 605 AM UNTIL 100
   PM 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 105
   STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES WEST SOUTHWEST
   OF AUSTIN TEXAS TO 40 MILES WEST NORTHWEST OF PARIS TEXAS.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU5).
   
   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...STRONG TO SEVERE THUNDERSTORMS INCREASING OVER THE PAST
   HOUR ACROSS CENTRAL TX AHEAD OF VIGOROUS UPPER SYSTEM. LAPSE RATES
   REMAIN STEEP ...AND WITH CONTINUED LIFT...SEVERE THUNDERSTORMS WILL
   INCREASE IN BOTH INTENSITY AND COVERAGE THROUGH THE MORNING. 
   PRIMARY THREAT WILL BE LARGE HAIL...THOUGH WIND DAMAGE POTENTIAL
   WILL INCREASE AS BOUNDARY LAYER WARMS THIS MORNING.
   
   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.
   
   
   ...EVANS