Avalanche Forecast
Issued: Dec 6th, 2016 4:00PM
The alpine rating is Wind Slabs and Loose Dry.
, the treeline rating is , and the below treeline rating is Known problems includeTwo size 2.5 avalanches in lake louise area released on the november crust. One was skier trigger, no involvement.
Summary
Weather Forecast
Clear skies, light wind and very cold temperatures are forecasted for the next three days.
Snowpack Summary
20-30cm of recent storm snow from the weekend with only isolated areas of wind slab development, primarily at ridge crests in the alpine. The November crust is down 30-70cm with recent observations showing faceting above and below. The faceting process is in progress and will soon affect the entire snowpack due to current cold temperatures.
Avalanche Summary
Skier accidental size 2.5 released on the november crust, total of two size 2.5 released on the crust today in the lake Louise area. Isolated natural avalanche activity to size1.5, thin slab releases out of steep alpine lees as the recent storm snow failed on old faceted surface. Suspect some buried wind slab developed during the recent storm.
Confidence
Problems
Wind Slabs
Surprisingly very little wind slab formation. Areas to watch for are the immediate lee near ridge top.
- Keep an eye out for reverse loading created by an upslope storm.
- Be careful with wind loaded pockets while approaching and climbing ice routes.
Aspects: North, North East, East, South East.
Elevations: Alpine.
Likelihood
Expected Size
Loose Dry
Lots of loose storm snow available to release out of steep gully's and head walls. The slightest winds can trigger this problem.
Aspects: All aspects.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Dec 7th, 2016 4:00PM