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Archived

Avalanche Forecast

Dec 16th, 2017–Dec 17th, 2017
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Jasper.

A bit of new snow might improve ski quality in sheltered areas on Sunday.  Enjoy the stable conditions while they last.

Weather Forecast

10 cm possible through the day on Sunday with light to moderate SW winds and seasonal temperatures.  A return to dry conditions beginning Monday and continuing through the week accompanied by cold temperatures and light to moderate SW winds shifting to NE on Tuesday.

Snowpack Summary

The snowpack is well-settled. There are 3 crusts in the snowpack, one is located near the snowpack base (220 to 2900 m), another about 30 cm below the snow surface around treeline and a melt-freeze crust on the surface on steep solar aspects. Widespread wind affected snow exists in the alpine.

Avalanche Summary

No patrol occurred on Saturday and nothing new was reported.

Confidence

The weather pattern is stable on Sunday

Avalanche Problems

Deep Persistent Slabs

Heavy loads like a cornice failure might trigger this deep instability.
Pay attention to overhead hazards like cornices which could trigger the deep persistent slab.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely

Expected Size: 2 - 3