Avalanche Forecast
Issued: Dec 4th, 2013 8:56AM
The alpine rating is Storm Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeThe additional 25 to 35 cm on Monday pushed the snow depth to 100 cm in areas above 1900 meters. Alders, stumps and rocks are still not safely buried.
Summary
Weather Forecast
Continuing cold with a light northerly flow. No new snow load forecast. Temperatures moderating somewhat by Saturday.
Snowpack Summary
Little Prairie has 67cm snow . Summit Lake = 100 cm total. Instabilities within the 25 to 35 cm of storm slab and at the old snow faceted interface indicate skiers could trigger avalanches in steep unanchored terrain at higher elevation areas.
Avalanche Summary
Limited observations due to poor visibility.
Confidence
The weather pattern is stable
Problems
Storm Slabs
Higher elevation, lee slopes and gully feature areas may have developed wind slabs during the storm that came in from the north. Evaluate the snowpack for stability prior to stepping into it. Limited field observations thus far this season.
Assess start zones carefully and use safe travel techniques.Be cautious of buried obstacles in shallow snowpack areas.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 7th, 2013 4:00PM