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Archived

Avalanche Forecast

Feb 24th, 2022–Feb 25th, 2022
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
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Little Yoho.

Enjoy the warming temperatures but keep the wind slabs in mind! Good riding conditions exist in sheltered areas on facetted snow surfaces.

Weather Forecast

The next few days will become progressively warmer with increasing winds and intermittent flurries by the end of the weekend. Friday and Saturday will be mainly sunny and dry, temperature highs ranging from -13 to -6, light alpine winds switching from northerly to south westerly. Expect moderate SW winds and snow accumulations up to 5cm on Sunday.

Snowpack Summary

Wind effect, wind slabs and scoured surfaces exist in many alpine and tree-line elevations. Sheltered areas have a soft, facetted surface. The Jan 30th surface hoar/sun crust layer is variable in distribution and reactivity, but is generally 40-75 cm down and producing hard to no results in snowpack tests.

Avalanche Summary

A remote cornice failure triggered a size 3 avalanche in Kootenay National Park on Wednesday. On Thursday, the local ski areas reported a few small wind slab avalanches up to size 1 with explosives control.

Confidence

Avalanche Problems

Wind Slabs

Wind slabs exist in the alpine and some tree line locations. They are sitting on a variety of surfaces including old wind effect, surface hoar, sun crusts and facets.

  • Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
  • Watch for surface cracking and stiffer surface layers of snow.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2