MESOSCALE DISCUSSION 0491
   NWS STORM PREDICTION CENTER NORMAN OK
   0253 PM CDT WED APR 11 2012
   
   AREAS AFFECTED...SERN NM INTO FAR W TX
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 111953Z - 112130Z
   
   INCREASING CONVECTION ACROSS FAR W TX AND INTO SRN NM MAY WARRANT WW
   ISSUANCE.
   
   LATEST SATELLITE/RADAR IMAGERY SHOWS CONVECTIVE DEVELOPMENT UNDERWAY
   ACROSS PARTS OF SRN NM AND ADJACENT FAR W TX...FROM THE SACRAMENTO
   MOUNTAINS OF NM SEWD INTO THE DAVIS MOUNTAINS OF TX.  HERE...DAYTIME
   HEATING OF THE MODESTLY-MOIST BOUNDARY LAYER HAS RESULTED IN
   SURFACE-BASED CAPE AROUND 1000 J/KG -- FUELING THE CONVECTIVE
   ACTIVITY.
   
   AS LARGE-SCALE ASCENT INCREASES WITH TIME ACROSS THIS REGION AHEAD
   OF THE SLOWLY ADVANCING SWRN U.S. UPPER SYSTEM...INTENSITY AND
   COVERAGE OF CONVECTION SHOULD LIKEWISE INCREASE.  SUPPORTED BY THE
   SLOWLY STRENGTHENING DEEP-LAYER WIND FIELD...AN ISOLATED CELL IN SRN
   REEVES CO TX IS SHOWING MID-LEVEL ROTATION.  WITH THIS UPWARD TREND
   IN STORM COVERAGE/INTENSITY EXPECTED TO CONTINUE...WW ISSUANCE MAY
   BE NEEDED.
   
   ..GOSS.. 04/11/2012
   
   
   ATTN...WFO...SJT...MAF...ABQ...EPZ...
   
   LAT...LON   28980290 29410410 31060580 32230656 33300653 33440539
               32800433 31480249 30140202 28980290