MESOSCALE DISCUSSION 1817
   NWS STORM PREDICTION CENTER NORMAN OK
   0543 PM CDT SUN JUL 13 2003
   
   AREAS AFFECTED...ERN CO...EXTREME NERN NM AND WRN OK PANHANDLE
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 132243Z - 140045Z
   
   A FEW SEVERE STORMS WITH DAMAGING DOWNBURST WINDS WILL BE POSSIBLE
   THROUGH LATE AFTERNOON.  ISOLATED SEVERE HAIL WILL ALSO BE POSSIBLE
   WITH THE STRONGEST CELLS.
   
   STORMS CONTINUE TO INCREASE OVER ERN CO ALONG AND W OF DRYLINE. 
   AREA PROFILERS INDICATE NWLY MID TO UPPER LEVEL FLOW ON THE ORDER OF
   20-30 KTS...ALONG WITH SELY SURFACE WINDS.  THIS IS PRODUCING AN
   ENVIRONMENT FAVORABLE FOR SWD MOVING STORMS.  GIVEN MODERATE
   INSTABILITY IN PLACE...ISOLATED SUPERCELLS WILL REMAIN POSSIBLE. 
   VERY LARGE TEMP/DEWPOINT SPREADS IN THE BOUNDARY LAYER INDICATE
   LARGE EVAPORATION / DOWNBURST POTENTIAL.  LARGE HAIL THREAT WILL
   PERSIST OVER EXTREME ERN CO WITH STORMS ALONG AND E OF THE DRYLINE
   WHERE DEWPOINTS IN THE UPPER 50S ARE BEING INGESTED.
   
   ..JEWELL.. 07/13/2003
   
   
   ATTN...WFO...GLD...AMA...PUB...BOU...ABQ...
   
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