SWOMCD
SPC MCD 190316
WYZ000-UTZ000-IDZ000-190415-
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
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...UNR...CYS...RIW...SLC...PIH...
43440899 43960776 44090659 43910586 43190586 42560666
41990758 41550868 40791072 40531194 40851284 41241297
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