MESOSCALE DISCUSSION 0835
   NWS STORM PREDICTION CENTER NORMAN OK
   1035 PM CDT WED MAY 07 2003
   
   AREAS AFFECTED...PORTIONS OF WRN...CENTRAL AND ERN OK
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 080335Z - 080430Z
   
   A NEW WW WILL BE ISSUED SHORTLY FOR PORTIONS OF CENTRAL AND ERN OK.
   
   REGIONAL RADARS SHOW SUPERCELLS OVER SWRN OK TO ALONG THE RED RIVER
   VALLEY OF NWRN TX/SWRN OK WITH ADDITIONAL STORMS DEVELOPING NEWD
   INTO CENTRAL OK.  AREA VADS SHOW A SLY 50 KT LLJ FROM CENTRAL TX NWD
   INTO WRN-CENTRAL OK.  A SURFACE AND 850 MB BOUNDARY EXTEND FROM THE
   TX PANHANDLE SEWD INTO FAR SWRN OK AND THEN EWD ALONG THE RED RIVER
   VALLEY.  THE STRONG LLJ WILL CONTINUE TO ADVECT RICH MOISTURE NWD
   INTO CENTRAL-ERN PORTIONS OF OK THIS EVENING/OVERNIGHT.  DEEP LAYER
   SHEAR IS SUPPORTIVE OF SUPERCELLS...WITH LARGE HAIL THE PRIMARY
   THREAT SINCE MOST OF THE STORMS OVER CENTRAL-ERN OK WILL BE
   ELEVATED.
   
   
   ..PETERS.. 05/08/2003
   
   
   ATTN...WFO...TSA...OUN...
   
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