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Archived

Avalanche Forecast

Nov 28th, 2018–Nov 29th, 2018
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
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
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: Banff Yoho Kootenay.

Weather Forecast

Thurs-Friday will be a mixed bag of  sun/cloud and we may see occasional flurries (up to 5 cm). Cold air pushes into the region Friday night as the winds switch to NW and temperatures drop to -15 to -20 .

Snowpack Summary

The October 26 crust is found ~10-30 cm above the ground. The snowpack averages 40-85 cm at 2200m across the region. The wind slabs described earlier this week seem to be thin on immediate lees and of little consequence unless found on an ice climb.

Avalanche Summary

No avalanches observed or reported.

Confidence

Due to the number of field observations

Avalanche Problems

Deep Persistent Slabs

Within the past week, there have been occasional reports of skier remote and explosive triggered slabs on the Oct 26 crust and facet layer. Avoid steep terrain where a stiffer, more cohesive slab exists over the weak snow at the base of the snowpack.
Whumpfing is direct evidence of a buried instability.

Aspects: North, North East, East, South East.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2