Avalanche Forecast
Issued: Dec 3rd, 2019 6:24PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Brian Webster,
Parks Canada
Avalanche hazard will increase with wind and snow. Pay attention to local conditions as they vary throughout the region.
Summary
Weather Forecast
Light flurries (5-10 cm) and strong SW winds forecasted for Wednesday. Day-time highs at tree-line around -1. Slight cooling trend for Thursday with mixed sun and cloud.
Snowpack Summary
5-10 cm of fresh snow (and more expected on Wednesday) accompanied by moderate SW winds have created fresh windslabs in lee alpine terrain. The midpack consists of 25-35 cm of facetted snow overtop of the Nov 8 crust. The lower snowpack consists of facets and depth hoar. Snowpack depths at treeline vary from 60-90 cm with up to 140 cm in lee areas
Avalanche Summary
Reports of newly formed wind slabs isolated to ridge crest have been reactive to explosive control and ski cuts. All observed avalanches were size 1-1.5.
Confidence
Problems
Wind Slabs
10-20 cm of recent storm snow accompanied by strong SW winds will have created fresh wind slabs in alpine and tree-line regions.
- Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 4th, 2019 4:00PM
