MESOSCALE DISCUSSION 1600
   NWS STORM PREDICTION CENTER NORMAN OK
   0356 PM CDT SAT JUL 10 2004
   
   AREAS AFFECTED...W THROUGH W CNTRL SD
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 596...
   
   VALID 102056Z - 102300Z
   
   STORMS HAVE INCREASED OVER THE LAST HOUR...AND THREAT FOR ISOLATED
   DAMAGING WIND AND HAIL IS EXPECTED TO PERSIST NEXT COUPLE HOURS
   ACROSS W CNTRL SD. OTHER HIGH BASED STORMS OVER ERN WY MAY INTENSIFY
   AS THEY MOVE EWD INTO WRN SD.
   
   STORMS HAVE INCREASED DURING THE PAST HOUR WITHIN ZONE OF MID LEVEL
   ASCENT SPREADING EWD THROUGH WRN SD. THE INCREASE IN INTENSITY CAN
   BE ATTRIBUTED TO STORMS ENCOUNTERING STRONGER INSTABILITY AND WEAKER
   CAP DOWNSTREAM TOWARD CNTRL SD. FARTHER WEST ACROSS WRN SD...STORMS
   HAVE MOVED E OF THE WRN PORTION OF WW 596...BUT WILL LEAVE THIS AREA
   IN THE WATCH SINCE HIGH BASED STORMS OVER ERN WY MAY INTENSIFY AS
   THE MOVE EAST INTO WRN SD.
   
   ..DIAL.. 07/10/2004
   
   
   ATTN...WFO...BIS...UNR...BYZ...GGW...
   
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