[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 281749
SWOMCD
SPC MCD 281748 
COZ000-WYZ000-AZZ000-UTZ000-281815-

MESOSCALE DISCUSSION 1521
NWS STORM PREDICTION CENTER NORMAN OK
1248 PM CDT TUE JUN 28 2005

AREAS AFFECTED...SRN/ERN UT...WRN CO...NE AZ

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 281748Z - 281815Z

WW LIKELY WILL BE ISSUED WITHIN THE HOUR.

MID-LEVEL CYCLONIC VORTICITY CENTER REMAINS STRONG AS IT LIFTS
NORTHEASTWARD OUT OF THE LOWER COLORADO VALLEY.  OBJECTIVE ANALYSIS
INDICATES 50+ KT MID-LEVEL JET STREAK ON SOUTHEASTERN PERIPHERY OF
THIS FEATURE...WHICH WILL CONTINUE TO NOSE ACROSS THE FOUR CORNERS
REGION THIS AFTERNOON. LARGE-SCALE FORCING IN EXIT REGION OF JET...
AHEAD OF UPPER TROUGH AXIS...HAS SUPPORTED INCREASING THUNDERSTORMS
IN THE LEE OF THE WASATCH PAST FEW HOURS.  THIS ACTIVITY IS
DEVELOPING EASTWARD INTO INCREASINGLY DEEP MIXED BOUNDARY LAYER
ACROSS EASTERN UTAH...WHERE LARGE TEMPERATURE/DEW POINTS SPREADS
WILL SUPPORT POTENTIAL FOR MICROBURSTS.  WITH FURTHER HEATING AND
CONTINUED STRENGTHENING OF MID-LEVEL FLOW ACROSS THE EASTERN GREAT
BASIN...POTENTIAL FOR BROADER SCALE DAMAGING WIND GUSTS APPEARS
LIKELY TO INCREASE AS BROKEN CONVECTIVE BAND APPROACHES THE
UTAH/COLORADO BORDER AREA BY AROUND 21Z.

..KERR.. 06/28/2005

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

ATTN...WFO...RIW...GJT...FGZ...SLC...

37821267 38711258 40661072 40980978 41100888 40530805
39570849 38180868 37150912 36580967 36491054 37131098
37181165