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Archived

Avalanche Forecast

Jan 31st, 2015–Feb 1st, 2015
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
2: Moderate
The avalanche danger rating in the alpine will be moderate
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: Banff Yoho Kootenay.

New snow has improved alpine ski conditions. Skiing at treeline and below remains "challenging" due to the breakable crust.SH

Weather Forecast

Light gusting moderate alpine Westerly winds on Sunday with a few cm of snow starting in the afternoon.  Alpine temperatures will stay in the -10C range over the next 3 days.  Monday and Tuesday look unsettled with 10-20cm in the forecast by Tuesday night.  Keep your fingers crossed.

Snowpack Summary

5-15cm low density snow in the last 24hours. Isolated soft slabs 15-30cm thick and of little consequence found in alpine regions today(Cirque Peak, Bow Peak ).The Jan.30 crust formed last week can be found up to 2300m(higher on solar aspects). Basal depth hoar is still a major layer in the region, and is giving moderate to hard compression results.

Avalanche Summary

Some minor sloughing of the new snow out of cliffed terrain, triggered by sun. No new avalanches observed.

Confidence

Avalanche Problems

Deep Persistent Slabs

Despite the low danger ratings, the base of the snowpack remains weak due to basal depth hoar/facets. Consider this layer carefully when looking to travel in aggressive terrain, especially in thin, rocky areas.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 2