[MCD] SWOMCD

Wed Jan 11 00:34:08 UTC 2006

ACUS11 KWNS 110034
SWOMCD
SPC MCD 110033 
IDZ000-110530-

MESOSCALE DISCUSSION 0039
NWS STORM PREDICTION CENTER NORMAN OK
0633 PM CST TUE JAN 10 2006

AREAS AFFECTED...CENTRAL/SAWTOOTH MOUNTAINS OF ID

CONCERNING...HEAVY SNOW 

VALID 110033Z - 110530Z

HEAVY SNOW WILL INCREASE ACROSS THE CENTRAL/SAWTOOTH MOUNTAINS OF ID
THIS EVENING...WITH 2 IN/HR RATES POSSIBLE...ESPECIALLY ABOVE
5500-6000 FT.

WATER VAPOR IMAGERY DEPICTS COMPACT SHORTWAVE TROUGH OFF THE PACIFIC
NORTHWEST COAST EARLY THIS EVENING. AS HEIGHT FALLS OCCUR ACROSS THE
NORTHERN INTERMOUNTAIN REGION...STRONG MID/UPPER LEVEL JET WILL
TRANSLATE SOUTHWARD OVER THE REGION TONIGHT...WITH OROGRAPHIC LIFT
INCREASING ACROSS THE CENTRAL MOUNTAINS OF ID. 00Z BOISE RAOB AND
LOCAL WSR-88D VWP ALREADY FEATURES MID LEVEL WESTERLY FLOW OF 50 KTS
OR GREATER ABOVE 4 KM...WITH 0.66 INCH PRECIPITABLE WATER /AROUND
200 PERCENT OF NORMAL/ REPRESENTATIVE OF MOIST ENVIRONMENT. ALSO IN
ACCORDANCE WITH 00Z BOISE RAOB...MESONET OBSERVATIONS GENERALLY
DEPICT SNOW LEVELS AROUND 5500-6000 FT ACROSS THE CENTRAL
MOUNTAINS...WHICH SHOULD FLUCTUATE LITTLE TONIGHT AMIDST THE
PERSISTENT WARM AIR ADVECTION REGIME. SNOW RATES OF 2 IN/HR WILL BE
POSSIBLE TONIGHT...ESPECIALLY INTO WEST FACING SLOPES.

..GUYER.. 01/11/2006

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

ATTN...WFO...PIH...BOI...

44981670 44831536 44071431 43401404 43231483 43451548
44051590 44501634 44681672 

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