SWOMCD
SPC MCD 282053
COZ000-WYZ000-282230-
MESOSCALE DISCUSSION 1073
NWS STORM PREDICTION CENTER NORMAN OK
0353 PM CDT WED MAY 28 2008
AREAS AFFECTED...CNTRL WY
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 282053Z - 282230Z
SCATTERED THUNDERSTORMS SHOULD DEVELOP ACROSS CNTRL WY...SE WY AND
ALONG THE FRONT RANGE OF CO LATE THIS AFTERNOON. LARGE HAIL AND
ISOLATED WIND DAMAGE MAY OCCUR WITH THE STRONGER CELLS. A WW MAY
NEED TO BE ISSUED ACROSS THE REGION.
LATEST SFC ANALYSIS SHOWS A LOW OVER NRN UT WITH A DRY AIRMASS
SPREADING NWD ACROSS SRN WY. A TIGHT MOISTURE GRADIENT EXISTS FROM
SERN WY EXTENDING NWWD INTO CNTRL WY WITH SBCAPE VALUES ALONG AND
EAST OF THE GRADIENT NOW AROUND 1000 J/KG. DESTABILIZATION WILL
CONTINUE AND SOME AREAS COULD HAVE POCKETS OF MODERATE INSTABILITY
BY 00Z. THIS COMBINED WITH STRONG VERTICAL SHEAR ASSOCIATED WITH THE
EXIT REGION OF A BROAD 65 TO 75 KT MID-LEVEL JET WILL SUPPORT A
THREAT FOR ISOLATED SEVERE STORMS. COLD AIR ALOFT AND STEEP
MID-LEVEL LAPSE RATES WILL BE SUFFICIENT FOR LARGE HAIL. A FEW
DAMAGING WIND GUSTS COULD ALSO OCCUR ESPECIALLY IN AREAS WITH
MAXIMIZED INSTABILITY.
..BROYLES.. 05/28/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...BOU...CYS...RIW...
39620463 40830529 41260580 41980686 42600827 43640902
44260852 44290752 43880655 43090572 40780412 39860411
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