MESOSCALE DISCUSSION 0449
   NWS STORM PREDICTION CENTER NORMAN OK
   0355 AM CDT SUN APR 12 2009
   
   AREAS AFFECTED...MUCH OF CENTRAL INTO SOUTHEAST TX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 141...
   
   VALID 120855Z - 121030Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 141
   CONTINUES.
   
   SEVERE TSTM WATCH 141 CONTINUES UNTIL 13Z...WITH A CONTINUED RISK
   FOR ISOLATED SEVERE HAIL/DAMAGING WINDS MAINLY ACROSS THE SOUTHERN
   PORTION OF WW 141. AN ADDITIONAL WATCH MAY BE NEEDED IN THE PREDAWN
   HOURS ACROSS SOUTH CENTRAL TX/TX HILL COUNTRY INTO PORTIONS OF
   SOUTHEAST TX.
   
   EXTENSIVE/WAVY NNE-SSW SQUALL LINE CONTINUES TO PROGRESS EASTWARD
   ACROSS MUCH OF CENTRAL TX...WITH THE LONGER DURATION/WELL SUSTAINED
   NORTHERN PORTION ADVANCING EAST-NORTHEASTWARD AT AROUND 40 KT TOWARD
   THE MINERAL WELLS/STEPHENVILLE/LAMPASAS VICINITIES AS OF 0845Z.
   ALTHOUGH AN ISOLATED SEVERE POTENTIAL CONTINUES...AND SMALL SCALE
   BOWS SHOULD CONTINUE TO OCCUR WITH THE LINE...THE EXISTING LINEAR
   CONVECTIVE MODE/AMPLE SURFACED BASED CINH SHOULD CONTINUE TO LIMIT
   THE SEVERE HAIL/WIND THREAT RESPECTIVELY.
   
   FARTHER SOUTH...A GRADUAL UPSWING CONTINUES TO CONTINUES WITH TSTMS
   NEARING THE JUNCTION TO DEL RIO CORRIDOR AS OF 0845Z. IN CLOSER
   PROXIMITY TO A WARM FRONT ACROSS SOUTH TX...A WARM/MORE MOIST
   BOUNDARY LAYER MAY SUPPORT MORE OF A SURFACE BASED SEVERE THREAT
   ACROSS SOUTH CENTRAL TX...WITH ATTENDANT RISKS FOR HAIL/DAMAGING
   WINDS. AN ADDITIONAL WATCH MAY BE NEEDED ACROSS SOUTH CENTRAL TX/TX
   HILL COUNTRY INTO SOUTHEAST TX DURING THE PREDAWN HOURS.
   
   ..GUYER.. 04/12/2009
   
   
   ATTN...WFO...HGX...FWD...CRP...EWX...SJT...
   
   LAT...LON   33139810 33059717 31279761 30929594 29599561 28569795
               29430100 31419914 33139810