MESOSCALE DISCUSSION 2443
   NWS STORM PREDICTION CENTER NORMAN OK
   0628 PM CST TUE NOV 23 2004
   
   AREAS AFFECTED...CNTRL TX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 887...
   
   VALID 240028Z - 240230Z
   
   CONTINUE WW.
   
   STRONG SEVERE THUNDERSTORMS CONTINUE TO SPREAD TOWARD THE INTERSTATE
   35 CORRIDOR OF CENTRAL TEXAS...GENERALLY IN ARC ALIGNED WITH LEADING
   EDGE OF STRONGER DIFFERENTIAL CYCLONIC VORTICITY ADVECTION
   ASSOCIATED WITH APPROACHING CLOSED LOW/SHORT WAVE TROUGH.  FOCUS FOR
   NEW DEVELOP AND EXPANDING CLUSTER OF STORMS NEXT FEW HOURS MAY
   BECOME INTERSECTION OF DRY LINE/SURFACE COLD FRONT AND RETREATING
   CONVECTIVE OUTFLOW BOUNDARY EAST/SOUTHEAST OF THE AUSTIN AREA. 
   GIVEN CONVECTIVELY UNSTABLE ENVIRONMENT WITH CAPE OF 1000 TO 2000
   J/KG... STRONG DEEP LAYER SHEAR WILL CONTINUE TO SUPPORT RISK FOR
   SEVERE STORMS WITH LARGE HAIL/DAMAGING WIND GUSTS THROUGH MUCH OF
   THE EVENING.  GROWING COMPLEX/POSSIBLE EVOLVING SQUALL LINE IS
   EXPECTED SPREAD ACROSS AREAS NEAR/WEST THROUGH NORTH OF LUFKIN
   DURING THE 03-06Z TIME FRAME.
   
   ..KERR.. 11/24/2004
   
   
   ATTN...WFO...LCH...SHV...HGX...FWD...EWX...
   
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