MESOSCALE DISCUSSION 0360
   NWS STORM PREDICTION CENTER NORMAN OK
   0727 PM CDT SUN MAR 31 2013
   
   AREAS AFFECTED...PARTS OF S TX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 73...76...
   
   VALID 010027Z - 010200Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   73...76...CONTINUES.
   
   SUMMARY...A FEW SUPERCELLS WITH A RISK FOR LARGE HAIL /POSSIBLY
   SIGNIFICANT/ AND ISOLATED DAMAGING WINDS SHOULD CONTINUE FOR A
   COUPLE MORE HOURS...BUT INTENSIFYING INHIBITION WILL RESULT IN
   WEAKENING TSTM ACTIVITY BY LATE EVENING
   
   DISCUSSION...SUPERCELLS CONTINUE TO EVOLVE SEWD OVER THE BRUSH
   COUNTRY ALONG SWD-PROPAGATING CONVECTIVE OUTFLOW. ADDITIONAL
   ACTIVITY HAS FORMED TO THE SE NEAR THE MERGER OF THIS OUTFLOW WITH
   THE SEA BREEZE AROUND 30-40 NW ALI. 00Z CRP/BRO SAMPLED A PRONOUNCED
   CAPPING INVERSION LOCALLY. HOWEVER...MODIFYING THE RAOBS FOR LIKELY
   UPSTREAM CONDITIONS SUGGEST THE PRESENCE OF A STRONGLY UNSTABLE AIR
   MASS AND STRONG DEEP-LAYER SPEED SHEAR CONDUCIVE TO SIGNIFICANT
   HAIL. MERGING OF SUPERCELL UPDRAFTS SHOULD LEAD TO SOME LESSENING OF
   HAIL SIZE. THE ONSET OF NOCTURNAL COOLING WITH RESULTING INGEST OF
   INCREASING MLCIN AMIDST MEAGER LOW-LEVEL FLOW SHOULD LEAD TO THE
   EVENTUAL DEMISE OF THE SUPERCELLS BY LATE EVENING.
   
   ..GRAMS.. 04/01/2013
   
   
   ATTN...WFO...CRP...EWX...BRO...
   
   LAT...LON   27789957 29110090 29480042 28609797 27829720 27069743
               27079816 27459912 27789957