Avalanche Forecast
Issued: Dec 29th, 2012 4:00PM
The alpine rating is Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeMainly stable conditions exist, but it is still an early season snowpack. Avoid areas of wind slab in very steep, high alpine terrain, and thin areas along the front ranges. SH
Summary
Weather Forecast
Light NW winds, no new snow, and mainly clear skies Sunday (valley cloud W of divide) with the trend continuing through the forecast period. Freezing levels to valley bottom.
Snowpack Summary
Wind slabs in alpine ridgetop features stubborn to unreactive 20-40cm thick from field reports and local ski hill operations.. W of divide well settled snowpack in deeper locations with basal Nov6 crust well bonded. Front ranges E of divide mainly facetted snowpack, with the Nov6 basal crust being mainly facetted.
Avalanche Summary
No avalanches reported in the last 24 hours from numerous areas and operations. A report on the Wapta from Friday saw several large cornice failures in high alpine terrain which caused either no result or sloughing.
Confidence
Problems
Wind Slabs
Reports are showing windslabs created in the last week are stubborn to unreactive on lee ridgetop features. Most likely triggerable in aggressive, steep, lee terrain near ridgetops.
Aspects: North, North East, East, South East, South.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Dec 30th, 2012 4:00PM