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Archived

Avalanche Forecast

Feb 18th, 2022–Feb 19th, 2022
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
3: Considerable
The avalanche danger rating below treeline will be considerable
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
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.

Use caution at all elevations. The new snow likely won't bond well to the underlying crust.

Confidence

High -

Weather Forecast

Friday night: low of -2 at 1200m. Lihght flurries bringing trace amounts of snow and light westerly winds. 

Saturday: stormy weather bringing 20 to 30cm of snow and moderate westerly winds. Freezing level rising to 1200m.

Sunday: mix of sun and cloud with no new snow expected. Light northerly winds and a high of -3 at 1200m.

Monday: cloudy with light flurries bringing trace amounts of snow. Light northerly winds and a high of -2 at 1200m.

Avalanche Summary

We suspect skier triggerable wind and storm slabs will be found on Saturday.

On Thursday ski cutting produced a few size one loose wet avalanches in steep terrain.

Snowpack Summary

New snow accompanied by westerly winds will likely build new storm and wind slabs throughout the day on Saturday.

The mid February crust is down 15cm and exists on all aspects and elevations.

The late-January melt-freeze crust is now down around 40 cm and is reported to be knife hard and up to 30 cm thick. This crust extends to at least the top of treeline and is generally well bonded to the adjacent snow. 

The middle and lower snowpack are considered well settled and strong.

Terrain and Travel

  • Watch for fresh storm slabs building throughout the day.
  • Closely monitor how the new snow is bonding to the crust.
  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.

Avalanche Problems

Storm Slabs

New wind and storm slabs will form throughout the day. It is possible that these slabs will be touchy due to the crust they will form over.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Very Likely

Expected Size: 1 - 2