MESOSCALE DISCUSSION 0616
   NWS STORM PREDICTION CENTER NORMAN OK
   0920 PM CDT MON APR 28 2003
   
   AREAS AFFECTED...PORTIONS W-CENTRAL TX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 178...
   
   VALID 290220Z - 290345Z
   
   CLUSTER OF STRONG-SEVERE TSTMS MOVING SEWD ACROSS PORTIONS W-CENTRAL
   TX SHOULD MAINTAIN POTENTIAL FOR DAMAGING WIND AND OCCASIONAL LARGE
   HAIL FOR AT LEAST ANOTHER 1-2 HOURS TOWARD PORTIONS
   COKE/RUNNELS/CONCHO/MCCULLOCH COUNTIES.  ADDITIONAL WW MAY BE
   NECESSARY OVER REGION.
   
   SOME WEAKENING TREND IS ANTICIPATED WITH LOSS OF DIABATIC
   DESTABILIZATION IN FOREGOING BOUNDARY LAYER...AND GUST FRONT IS
   EVIDENT ARCING FROM 5 NM E THRU 20-25 NM SW OF MAIN REFLECTIVITY
   GRADIENT.  STILL...ELEVATED INSTABILITY AND MOIST INFLOW MAY HELP TO
   MAINTAIN COMPLEX AS FORWARD-PROPAGATING MCS SEWD DOWN OLD
   OUTFLOW/DIFFERENTIAL HEATING BOUNDARY THROUGH REMAINDER
   EVENING...SEWD TOWARD SRN HILL COUNTRY.  ELEVATED MUCAPE 1500-2000
   J/KG ESTIMATED BASED ON MODIFIED RAOBS AND RUC FORECAST SOUNDINGS. 
   
   ..EDWARDS.. 04/29/2003
   
   
   ATTN...WFO...FWD...EWX...SJT...EWX...SJT...LUB...MAF...
   
   30409967 32979919 32049715 29619746 
   
   30100167 32220125 32220072 32870023 33049993 32939918
   29809978