[MCD] SWOMCD

Tue Aug 15 21:53:24 UTC 2006

ACUS11 KWNS 152155
SWOMCD
SPC MCD 152154 
MTZ000-WYZ000-IDZ000-160000-

MESOSCALE DISCUSSION 1820
NWS STORM PREDICTION CENTER NORMAN OK
0454 PM CDT TUE AUG 15 2006

AREAS AFFECTED...FAR EASTERN ID/SOUTHERN MT AND NORTHWEST/NORTH
CENTRAL WY

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 152154Z - 160000Z

ISOLATED STRONG WIND GUSTS/SOME HAIL WILL BE POSSIBLE THROUGH EARLY
EVENING FROM FAR EASTERN ID ACROSS SOUTHERN MT AND NORTHWEST/NORTH
CENTRAL WY. 

WATER VAPOR IMAGERY FEATURES ONE SHORTWAVE IMPULSE PROGRESSING
EAST-NORTHEAST ACROSS FAR SOUTH CENTRAL MT LATE THIS
AFTERNOON...WITH ADDITIONAL LOW AMPLITUDE PERTURBATIONS ACROSS
SOUTHERN ID...WHERE CLOUD TOPS HAVE DISTINCTLY BLOSSOMED OVER THE
PAST 1-2 HOURS PER IR IMAGERY. ALTHOUGH BUOYANCY IS RELATIVELY
MODEST PER ADJUSTED 12Z RAOBS/RUC SOUNDINGS...LARGE SCALE FORCING
FOR ASCENT AND DEEPLY MIXED BOUNDARY LAYER WILL SUPPORT POTENTIAL
FOR STRONG DOWNDRAFTS THROUGH EARLY EVENING. RIVERTON WY/BILLINGS MT
WSR-88D VWPS AT LEAST PARTIALLY SAMPLE THE MODERATELY STRONG WIND
FIELDS ACROSS THE REGION.

..GUYER.. 08/15/2006

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

ATTN...WFO...BYZ...RIW...TFX...PIH...MSO...

44220641 43740930 44231282 45681334 46660593 

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