MESOSCALE DISCUSSION 0546
   NWS STORM PREDICTION CENTER NORMAN OK
   0402 PM CDT WED APR 23 2003
   
   AREAS AFFECTED...EDWARDS PLATEAU OF CENTRAL AND SW TX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 148...
   
   VALID 232102Z - 232230Z
   
   PARAMETERS REMAIN FAVORABLE FOR ORGANIZED STORMS WITH PRIMARILY
   HAIL/DAMAGING WINDS OVER THE EDWARDS PLATEAU OF CENTRAL/SW TX DURING
   THE NEXT SEVERAL HOURS.
   
   OBJECTIVE ANALYSES CONTINUE TO SHOW MODERATE INSTABILITY /MLCAPE
   VALUES OF 1500-2500 J/KG/ OVER THIS REGION.  DEEP LAYER SHEAR WILL
   SUPPORT ORGANIZED STORMS WITH CROSS-BOUNDARY SHEAR VECTORS
   CONTINUING TO SUPPORT A DISCRETE SUPERCELL POTENTIAL.
   
   ..PETERS.. 04/23/2003
   
   
   ATTN...WFO...EWX...SJT...MAF...
   
   31180128 31159892 29079989 29110224