Avalanche Forecast

Issued: Dec 4th, 2018 4:00PM

The alpine rating is low, the treeline rating is low, and the below treeline rating is below threshold. Known problems include Deep Persistent Slabs.

william lawson, Parks Canada

Jasper.

The snowpack is generally thin with lots of early season hazards such as deadfall and rocks.

Summary

Weather Forecast

A cold Arctic air mass will bring clear skies and cool temps to the forecast region. Expect daytime highs of -10 with general light winds.Click here for a detailed mountain weather forecast from Avalanche Canada

Snowpack Summary

In the alp the wind has created both deep lee pockets of snow and in other areas removed the snow altogether. The much discussed Oct 25th crust can be found 40cm off the ground and buried, in some locations, by 80cm of wind transported snow. The crust is most likely to be encountered between 2,700m-2,000m. Below treeline snow cover is very thin.

Avalanche Summary

No new activity observed or reported. Remember to share the conditions found on your trip this weekend with Avalanche Canada's, Mountain Information Network

Confidence

Problems

Deep Persistent Slabs

Although currently dormant, it would be wise to assess the strength of the interfaces above & below the October 25 crust before entering committing lines. This layer exists on most skiable slopes.

Ride slopes one at a time and spot for your partners from safe locations.Watch for whumpfing, hollow sounds, and shooting cracks.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1.5 - 2.5

Valid until: Dec 5th, 2018 4:00PM