Snow Avalanche Guidance
Issued by NWS Missoula, MT

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FWUS45 KMSO 271106
SAGMSO

BACKCOUNTRY FORECAST FOR WESTERN MONTANA AND NORTH CENTRAL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
406 AM MST SAT DEC 27 2014

DISCUSSION: A SIGNIFICANT WINTER STORM WILL IMPACT THE REGION
TODAY AND SUNDAY. MODERATE TO HEAVY SNOW IS EXPECTED ACROSS THE
REGION, WITH THE HEAVIEST SNOW ANTICIPATED OVER NORTHWEST MONTANA
AND INTO THE CLEARWATER MOUNTAINS OF IDAHO. AS A COLDER AIRMASS
WORKS INTO THE REGION SUNDAY, SNOW RATIOS WILL INCREASE, CAUSING
SNOW TO BECOME INCREASINGLY LIGHT AND FLUFFY. GUSTY NORTHEAST
WINDS WILL DEVELOP WITH THIS COLD PUSH SUNDAY AFTERNOON AND
EVENING, ESPECIALLY FOR WESTERN MONTANA. MUCH COLDER TEMPERATURES
WILL DOMINANT THE FIRST HALF OF THE COMING WEEK, WITH LOW
TEMPERATURES REACHING WELL BELOW ZERO, ESPECIALLY IN WESTERN
MONTANA.

FOR THE LATEST INFORMATION ON WATCHES, WARNINGS AND ADVISORIES,
GO TO WEATHER.GOV/MISSOULA.

&&
ELEVATIONS ABOVE 4,000 FT:

                      TODAY        TONIGHT      SUN
CLOUD COVER           95%          95%          95%
HI/LO TEMPS           20 TO 28     11 TO 21     16 TO 28
WINDS(MPH)            SW 14G33     SW 10G31     N 13G33
PRECIP CHC            100          100          100
PRECIP TYPE           SNOW         SNOW         SNOW
LIQUID AMT            0.16         0.38         0.15
SNOW RATIO(SLR)       15:1         21:1         22:1
SNOW AMT(IN)          2-3          7-10         3-4

SNOW LEVEL            1000         500          0

$$


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