MESOSCALE DISCUSSION 1981
   NWS STORM PREDICTION CENTER NORMAN OK
   0313 PM CDT FRI JUL 25 2003
   
   AREAS AFFECTED...SWRN UT...NWRN AZ...SRN NV
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 252013Z - 252215Z
   
   STRONG/SEVERE THUNDERSTORMS WHICH MOVED THRU LAS AREA ARE
   PROPAGATING N WITH NEW CONVECTIVE DEVELOPMENT OCCURRING ON OUTFLOW
   BOUNDARIES FROM EARLIER STORMS.  AIR MASS HAS CONTINUED TO
   DESTABILIZE INTO SWRN UT AND N OF CURRENT ACTIVITY ACROSS SRN NV
   WITH MUCAPES TO 1500-2000 J/KG. IN ADDITION T/TD SPREADS UP TO 40F
   INTO SWRN UT HAVE INCREASED POTENTIAL FOR DAMAGING DOWNBURST WINDS
   AS STORMS CONTINUE DEVELOPING NWD THRU THIS AREA.  STORMS WILL
   LIKELY EFFECT THE ST GEORGE UT AREA BETWEEN 21-22Z.
   
   ..HALES.. 07/25/2003
   
   
   ATTN...WFO...FGZ...SLC...VEF...LKN...
   
   36911163 36861400 37281479 38861492 40001414 40121225
   39301123 37361098