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Archived

Avalanche Forecast

Feb 3rd, 2022–Feb 4th, 2022
Alpine
4: High
The avalanche danger rating in the alpine will be high
Treeline
4: High
The avalanche danger rating at treeline will be high
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
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: South Coast.

Avoid avalanche terrain. Give the storm snow some time to bond to the underlying surface.

Confidence

Moderate -

Weather Forecast

Thursday night: light snowfall and light to moderate west winds. Freezing level falling to 900m.

Friday: stormy weather with up to 40cm of snow. Winds shifting to southwest and increasing to strong. Freezing levels staying around 1100m.

Saturday: no new snow expected. Winds shifting to moderate from the northwest. Freezing levels staying around 1100m.

Sunday: no new snow expected. Moderate southwest winds and freezing levels rising to 1500m.

Avalanche Summary

We suspect natural avalanches could occur on Friday. If you observe any avalanche activity in the backcountry please consider filling out a Mountain Information Network report.

Snowpack Summary

New snow accompanied by strong wind will form new storm and wind slabs on Friday in the treeline and above. Wind slab will likely be found on north and east aspects.

Up to 40cm sits above a thick and supportive crust that extends to mountain top. In the far north and east of the forecast region a layer of facets and surface hoar could be found above this crust.

The middle and base of the snowpack are well settled and strong. In isolated areas north in the region, a layer of faceted grains on a crust may be found 150-200 cm deep; however, observations suggest that this layer has become unreactive. 

Terrain and Travel

  • Watch for fresh storm slabs building throughout the day.
  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.

Avalanche Problems

Storm Slabs

New storm and wind slabs will form throughout the day on Friday. Sensitivity to triggering will be greatest on wind loaded features on north and east aspects. Strong winds mean that wind slab could be found further down slope than expected.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Almost Certain

Expected Size: 1 - 2