[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 272252
SWOMCD
SPC MCD 272252 
UTZ000-272345-

MESOSCALE DISCUSSION 1789
NWS STORM PREDICTION CENTER NORMAN OK
0552 PM CDT TUE JUL 27 2004

AREAS AFFECTED...PORTIONS SRN UT

CONCERNING...SEVERE THUNDERSTORM WATCH 669...

VALID 272252Z - 272345Z

ISOLATED STRONG-SEVERE GUSTS AND HAIL REMAIN POSSIBLE FROM TSTMS
OVER REMAINING BUT SHRINKING PORTIONS WW AREA. SEVERE TSTM
POTENTIAL SHOULD CONTINUE TO DIMINISH THROUGH 02Z AS INCREASINGLY
DEEP/EXPANSIVE OUTFLOW POOL STABILIZES AIR MASS ACROSS MORE OF
EXTREME SRN UT.  THEREFORE WW PROBABLY WILL BE ALLOWED TO EXPIRE AT
00Z AS SCHEDULED WITHOUT FURTHER ISSUANCE OVER SRN UT OR NRN AZ. 
OVER RELATIVELY LIMITED AREA UNDISTURBED BY PRIOR/ONGOING CONVECTION
 -- PRIMARILY PORTIONS WASHINGTON/KANE COUNTIES...AIR MASS REMAINS
AT LEAST MARGINALLY UNSTABLE WITH 500-900 J/KG MLCAPE INVOF CO
RIVER. LOW-MIDLEVEL FLOW AND SHEAR IS WEAK WITH 10-20 KT WLY FLOW
BELOW 400 MB.

..EDWARDS.. 07/27/2004

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...SLC...

37041166 37061388 37981390 37711243 

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