MESOSCALE DISCUSSION 0714
   NWS STORM PREDICTION CENTER NORMAN OK
   0513 PM CDT TUE MAY 05 2009
   
   AREAS AFFECTED...NCNTRL TX
   
   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 
   
   VALID 052213Z - 052315Z
   
   TORNADO WATCH WILL BE REQUIRED SHORTLY FOR PART OF THE BIG COUNTRY
   AND NCNTRL TX.  
   
   TSTM INITIATION APPEARS IMMINENT IN AREAS JUST NE OF KABI ALONG THE
   NOSE OF A LOW-LEVEL THERMAL RIDGE.  20Z FWD SOUNDING WAS
   CAPPED...BUT MODIFYING FOR AN 88/65 PARCEL YIELDS NO CAP AND OVER
   3000 J/KG MLCAPE.  EXPECT STORMS WILL RAPIDLY BECOME SUPERCELLULAR
   GIVEN MAGNITUDE OF INSTABILITY AND AROUND 60 KTS OF BULK SHEAR. 
   FCST STORM MOTION OF 280-300 AT 20 KTS WOULD TAKE THE STORMS ALONG/S
   OF THE WRMFNT LOCATED ALONG I-20...MAINTAINING VERY BUOYANT INFLOW.
   VERY LARGE HAIL WILL BE LIKELY ALONG WITH A COUPLE OF TORNADOES. 
   ACTIVITY COULD BEGIN IMPACTING AT LEAST PARTS OF WRN/SRN PORTIONS OF
   THE DFW METROPLEX BY MID-EVENING.
   
   ..RACY.. 05/05/2009
   
   
   ATTN...WFO...FWD...SJT...
   
   LAT...LON   32360063 33049912 33229817 33059719 32809687 32129695
               32069705 31369845 31489936 31870055 32360063