MESOSCALE DISCUSSION 0683
   NWS STORM PREDICTION CENTER NORMAN OK
   0954 AM CDT THU MAY 13 2004
   
   AREAS AFFECTED...SERN TX
   
   CONCERNING...TORNADO WATCH 197...
   
   VALID 131454Z - 131630Z
   
   INTENSE MCS CONTINUES ALONG AND NORTH OF CONVECTIVELY INDUCED WARM
   FRONT ACROSS SOUTHEAST TX THIS MORNING. EXTENSIVE OUTFLOW BOUNDARY
   FROM THIS COMPLEX EXTENDS FROM WRN PORTION OF TORNADO WATCH...FROM
   BURLESON...LEE...AND BASTROP COUNTIES...WWD AND THEN NWD INTO NWRN
   TX. STRONG CONFLUENT INFLUX OF RICH LOW LEVEL MOISTURE INTO THE WARM
   FRONTAL ZONE SHOULD CONTINUE TO FUEL DEEP CONVECTION WITH INDIVIDUAL
   STORMS DRIFTING SLOWLY EAST BUT OVERALL COMPLEX MOVING LITTLE.
   UPDRAFTS ROOTED ALONG THE BOUNDARY FROM ERN TRAVIS COUNTY ACROSS NRN
   BURLESON AND BRAZOS COUNTIES ARE IN CLOSEST PROXIMITY TO HIGH VALUES
   OF 0-1KM SRH DUE TO 40-50KT LLJ. FORCING...INSTABILITY AND LOW LFC
   ACROSS THIS AREA WILL CONTINUE TO SUPPORT TORNADO POTENTIAL.
   
   ..CARBIN.. 05/13/2004
   
   
   ATTN...WFO...LCH...SHV...HGX...FWD...EWX...
   
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