Avalanche Forecast
Issued: Dec 16th, 2015 8:00AM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Persistent Slabs.
chris gooliaff,
Parks Canada
With better visibility today, have a good look around for recent avalanche activity near you.
Summary
Weather Forecast
Expect cool temp's (-10 to -15*C) in the alpine with light NW winds. The Arctic high that is sitting over the region should deliver some sun today. A storm system will begin rolling into the area Thursday night with light amounts of snow Friday.
Snowpack Summary
30cm of snow covers a supportive crust below 1600m. 60-80cm of settled snow covers the Dec 2 interface. Below tree line Dec 2 surface hoar has showed no recent activity. On steep solar aspects above treeline Dec 2 is a sun crust and remains reactive in tests in the mod - hard range. Expect pockets of wind affected snow at tree line and above.
Avalanche Summary
Sluffing and skier triggered size 1's from sidewalls of steep gully features have been reported.
Confidence
Due to the number of field observations
Problems
Persistent Slabs
80-100cm of settled snow sits on top of the Dec 2 persistent weak layer, which is surface hoar at and below tree line and sun crust on solar aspects tree line to alpine. The layer has produced moderate-hard results in field tests.
Be careful with wind loaded pockets, especially near ridge crests and roll-overs.Be aware of the potential for large, deep avalanches due to the presence of buried surface hoar.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Dec 17th, 2015 8:00AM
