Avalanche Forecast

Issued: Dec 1st, 2018 4:00PM

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

Timothy Johnson, Parks Canada

Jasper.

Little change in the present snowpack condition expected for the foreseeable future.

Summary

Weather Forecast

Looking into early next week we will be getting a dry and cooling trend with mostly a mix of sun and cloud. Alpine temperatures will be around -10 C and ridge winds looking light northeast. Click here for a detailed mountain weather forecast from Avalanche Canada

Snowpack Summary

Previous strong SW winds have left the alpine heavily wind affected. The October 25 crust, found 40cm off the ground in most places, has not produced any recent avalanche reports or noted activity in the region.

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

Due to the number of field observations

Problems

Wind Slabs

Previous strong winds have left widely scoured surfaces with pockets of hard windslab.

Be alert to slab conditions that change with elevation.Watch for areas of hard wind slab in steep alpine features.

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood

Unlikely

Expected Size

1 - 1.5

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.

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

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely

Expected Size

1 - 2

Valid until: Dec 2nd, 2018 4:00PM