Avalanche Forecast

Issued: Dec 9th, 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.

jasper snow safety, Parks Canada

Jasper.

Good skiing can be located in sheltered treeline locations with some facet surface powder. Wind effect is variable in the alpine.

Summary

Weather Forecast

Monday will be cloudy with flurries, trace snow amounts, alpine high -8 and light SW winds gusting to 40km/hr. 6cm of snow may arrive Tuesday and only a trace on Wednesday. Click here for a detailed mountain weather forecast from Avalanche Canada

Snowpack Summary

Previous alpine winds have made for variable surface conditions and formed small isolated pockets of thin windslab in the alpine. The Oct 25th crust can be found 30cm off the ground and likely encountered between 1800-2,700m. The snow cover below treeline is thin. Surface hoar has formed sporadically at valley bottoms last week up to 20mm.

Avalanche Summary

No patrol today and nothing new reported. Yesterday a few small surface loose avalanches noted in very steep alpine terrain. 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.

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 - Possible

Expected Size

1.5 - 2.5

Valid until: Dec 10th, 2018 4:00PM