MESOSCALE DISCUSSION 0585
   NWS STORM PREDICTION CENTER NORMAN OK
   0734 PM CDT FRI MAY 07 2004
   
   AREAS AFFECTED...WRN SD
   
   CONCERNING...CONVECTIVE TRENDS 
   
   VALID 080034Z - 080200Z
   
   CLUSTER OF TSTMS MOVING INTO W-CNTRL SD MAY PRODUCE AN ISOLATED
   STRONG WIND GUST OR TWO PRIOR TO DISSIPATING BY 02 OR 03Z.
   
   CLUSTER OF TSTMS OVER CROOK COUNTY WY HAS INTENSIFIED OVER THE PAST
   HALF HOUR OR SO WHILE PROGRESSING NEWD AT AROUND 30KTS. 00Z UNR
   SOUNDING INDICATED THE PRESENCE OF A DEEPLY-MIXED BOUNDARY LAYER
   ACROSS WRN SD WITH A SBCAPE OF AROUND 1000 J/KG. STEEP LOW TO
   MID-LEVEL LAPSE RATES OF 8-9 C/KM COUPLED WITH AVAILABLE DRY AIR
   BELOW 600MB MAY PROMOTE A FEW STRONG WIND GUSTS FOR THE NEXT HOUR OR
   TWO. TSTM CLUSTER SHOULD TEND TO WEAKEN OR DISSIPATE BY 03Z AS
   BOUNDARY-LAYER COOLS AND STABILIZES.
   
   ..MEAD.. 05/08/2004
   
   
   ATTN...WFO...UNR...
   
   44820405 45330390 45730301 45200208 44610192 44200259
   44010331 44200396