MESOSCALE DISCUSSION 0200
   NWS STORM PREDICTION CENTER NORMAN OK
   0431 PM CST SAT FEB 24 2007
   
   AREAS AFFECTED...UPPER TX COAST...SRN LA
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 242231Z - 242330Z
   
   WEAK HEIGHT FALLS WILL SPREAD ACROSS THE LOWER MS VALLEY THIS
   EVENING AS MAIN JET AXIS EJECTS NEWD INTO THE WRN TN VALLEY...INTO
   IL.  ONGOING SQUALL LINE HAS STRUGGLED TO DEVELOP SOUTH OF DEEPER
   CONVERGENCE/ASCENT REGION...PARTLY HINDERED BY WEAK LAPSE RATES IN
   THE LOWEST 3KM.  NEEDLESS TO SAY...VERY STRONG SHEAR EXISTS ACROSS
   THE GULF COAST AND BOUNDARY LAYER MOISTURE IS GRADUALLY
   INCREASING...ESPECIALLY ACROSS THE UPPER TX COAST INTO SWRN LA. 
   WILL CONTINUE TO MONITOR THE SWD DEVELOPMENT OF THIS SQUALL LINE AND
   A TORNADO WATCH MAY BE REQUIRED.
   
   ..DARROW.. 02/24/2007
   
   
   ATTN...WFO...JAN...LIX...LCH...
   
   31149373 31219178 30639095 29759140 29809316 29999431