MESOSCALE DISCUSSION 2229
   NWS STORM PREDICTION CENTER NORMAN OK
   0530 PM CDT FRI AUG 22 2003
   
   AREAS AFFECTED...NRN NV AND SRN ID
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 882...
   
   VALID 222230Z - 222330Z
   
   NUMEROUS CONVECTIVE STORMS CONTINUE ACROSS WW 882 AREA IN NRN NV AND
   SRN ID. POTENTIAL FOR DAMAGING WINDS AND HAIL CONTINUES...WITH STORM
   MOTIONS NEWD AROUND 35 KT ACROSS THE WW AREA.
   
   STRONG MID-LEVEL ASCENT CONTINUES ACROSS THE DISCUSSION AREA IN
   ASSOCIATION/IN ADVANCE OF VORTICITY MAX MOVING NEWD ACROSS FAR NWRN
   NV AT 2215Z. SURFACE WIND FIELDS INDICATE THAT A LARGE REGION OF
   RAIN COOLED AIR HAS DEVELOPED WEST OF A LINE FROM 25 SE NFL TO 15 E
   WMC TO 55 W OWY. COMBINATION OF LOW-LEVEL OUTFLOW SURGING EWD ACROSS
   N-CENTRAL NV...IN COMBINATION WITH STRONGLY-SHEARED ENVIRONMENT AND
   SUFFICIENT INSTABILITY FOR THUNDERSTORMS /100MB MLCAPE VALUES OF
   1000-1500 J/KG/ SHOULD FOCUS THREAT OF DAMAGING WINDS AND LARGE HAIL
   ACROSS N-CENTRAL/NERN NV AND SRN ID DURING THE NEXT FEW HOURS.
   CONTINUATION OF A FEW SUPERCELLS...PRESENTLY ACROSS ERN PERSHING AND
   NERN CHURCHILL COUNTIES IN NV AT 2225Z...WILL BE ASSOCIATED WITH AN
   ENHANCED THREAT FOR SEVERE ACTIVITY.
   
   ..BANACOS.. 08/22/2003
   
   
   ATTN...WFO...BOI...LKN...REV...
   
   39251810 40041835 41061814 42391783 42451534 42011465
   39661533