MESOSCALE DISCUSSION 0863
   NWS STORM PREDICTION CENTER NORMAN OK
   0447 PM CDT THU MAY 08 2003
   
   AREAS AFFECTED...OKLAHOMA CITY METRO AREA
   
   CONCERNING...TORNADO WATCH 304...
   
   VALID 082147Z - 082245Z
   
   STRONG SUPERCELL STORM SHOWING HIGH POTENTIAL FOR A TORNADO
   APPROACHING THE SRN OKLAHOMA CITY METRO AREA IN THE NEXT HOUR...
   INCLUDING NERN GRADY COUNTY...NRN MCCLAIN COUNTY...NRN CLEVELAND
   COUNTY...SERN CANADIAN COUNTY AND OKLAHOMA COUNTY. 
   
   ENVIRONMENTAL PARAMETERS REMAIN VERY FAVORABLE FOR LONG-LIVED
   TORNADIC SUPERCELLS WITH A THREAT FOR STRONG/VIOLENT TORNADOES.
   
   ..PETERS.. 05/08/2003
   
   
   ATTN...WFO...TSA...OUN...
   
   35389808 35909786 36189693 35999637 34809684 34689812