MESOSCALE DISCUSSION 1796
   NWS STORM PREDICTION CENTER NORMAN OK
   1016 PM CDT SAT AUG 18 2007
   
   AREAS AFFECTED...NRN UT...SWRN/CNTRL WY
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 614...
   
   VALID 190316Z - 190415Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 614
   CONTINUES.
   
   A LOCALIZED SEVERE THREAT IS EXPECT TO PERSIST JUST E/S OF VALID
   PORTIONS OF WW 614 THROUGH 05Z. LITTLE ADDITIONAL TSTM REDEVELOPMENT
   IS EXPECTED ACROSS THE REMAINDER OF WW 614.
   
   AS OF 0310Z...TWO MAIN CLUSTERS OF CONVECTION CONTINUE GENERALLY
   NORTH OF I-80 IN NRN UT AND FARTHER NE INVOF RIW. THE MOST INTENSE
   CELL HAS REACHED THE WASATCH RANGE AFTER PRODUCING A 59 KT GUST AT
   HILL AFB IN OGDEN AROUND 02Z. LATEST VAD PROFILER FROM SALT LAKE
   CITY UT INDICATES MORE THAN SUFFICIENT DEEP-LAYER SHEAR FOR
   ORGANIZED UPDRAFTS /EFFECTIVE VALUES AROUND 40 KTS PER LATEST
   OBJECTIVE ANALYSIS/. THIS MAY YET SUPPORT MARGINALLY SEVERE HAIL AND
   PERHAPS A SEVERE WIND GUST OR TWO DESPITE NOCTURNAL BOUNDARY LAYER
   COOLING AND INCREASINGLY ELEVATED NATURE OF TSTMS.
   
   ..GRAMS.. 08/19/2007
   
   
   ATTN...WFO...UNR...CYS...RIW...SLC...PIH...
   
   43440899 43960776 44090659 43910586 43190586 42560666
   41990758 41550868 40791072 40531194 40851284 41241297