[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 090622
SWOMCD
SPC MCD 090622 
WYZ000-UTZ000-IDZ000-091115-

MESOSCALE DISCUSSION 0052
NWS STORM PREDICTION CENTER NORMAN OK
1222 AM CST SUN JAN 09 2005

AREAS AFFECTED...FAR SERN ID...FAR NRN UT...SWRN/CENTRAL WY

CONCERNING...PRECIPITATION TRENDS...WINTER PRECIPITATION 

VALID 090622Z - 091115Z

HVY SNOW WITH HRLY RATES IN EXCESS OF 2 INCHES WILL END FROM SW TO
NE ACROSS FAR SERN ID...FAR NRN UT...SWRN AND CENTRAL WY FROM
08-11Z.

A STRONG SHORTWAVE TROUGH MOVING NEWD ACROSS THE NRN ROCKIES AIDING
IN STRONG MID LEVEL FRONTOGENETIC FORCING COMBINED WITH STEEP MID
LEVEL LAPSE RATES /CONVECTIVE ENHANCEMENT/ AND LOW LEVEL FRONTAL
CONVERGENCE WILL CONTINUE TO SUPPORT HVY SNOWFALL ALONG AND JUST
BEHIND THE SFC COLD FRONT FROM NRN UT NEWD INTO CENTRAL WY OVER THE
NEXT 3-4 HOURS. UPSLOPE FLOW WILL CONTINUE ACROSS WRN SLOPES THE NRN
WASATCH/WIND RIVER MTNS OVER THE NEXT FEW HOURS AS A COLD FRONT
CURRENTLY LOCATED FROM JUST NORTH OF SLC TO NEAR RIW MOVES SLOWLY
SEWD. COMBINED WITH OTHER FAVORABLE PARAMETERS...SNOWFALL RATES OVER
2 INCHES PER HOUR WILL BE FOUND IN THESE AREAS. PROGRESSION OF UPPER
FORCING...AS EVIDENT BY PRESSURE FALLS MOVING NEWD INTO NRN WY/SERN
MT OVER THE LAST 2 HOURS WILL RESULT IN A DIMINISHMENT OF HVY
SNOWFALL FROM SW-NE FROM 08-11Z.

..CROSBIE.. 01/09/2005

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

...NOTICE...
SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A 
SCHEDULED BASIS...FOUR TIMES A DAY...BETWEEN 00-01 UTC...
06-07 UTC...12-13 UTC...AND 18-19 UTC AS SIGNIFICANT SHORT
RANGE WINTER WEATHER EVENTS UNFOLD.  THIS SCHEDULE WILL BE
USED FROM DECEMBER 1 THROUGH FEBRUARY 28.

ATTN...WFO...RIW...SLC...PIH...

43541040 41621211 40551330 40331279 40491128 40861036
41210966 41910805 43620738 43800873 

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