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Archived

Avalanche Forecast

May 4th, 2024–May 7th, 2024
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
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
1: Low
The avalanche danger rating below treeline will be low
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

Be conservative with terrain for the next little while. Recent storm snow will remain a concern until we return to a spring snowpack.

Confidence

Moderate

Avalanche Summary

Numerous recent loose wet / loose dry avalanches up to sz 2.5 on all aspects. Two recent skier accidental avalanches also occurred on north aspects at 2250m failing below the recent storm snow down 75-100cm.

Snowpack Summary

New surface crust today on all but shaded/north aspects above 2200m. Below this 50-75cm of recent storm snow overlies a buried crust. This interface has been reactive to skier traffic, and will remain a concern until conditions return to a spring snowpack. Be patient and conservative with terrain for the next little while.

Weather Summary

Another system is set to hit us Sunday morning, with forecasted precip amounts up to 30cm by Wednesday night. This system is coming in warm, which could mean rain below 2000m. keep an eye on new snow amounts, and how it bonds with the existing surfaces.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • If triggered loose wet avalanches may step down to deeper layers resulting in larger avalanches.
  • Keep in mind that wet avalanches can be destructive due to their high density.

Avalanche Problems

Persistent Slabs

Be cautious anywhere this layer isn't capped with a supportive melt-freeze crust. This layer will remain a concern until spring conditions return. If triggered it will likely create large avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1.5 - 2.5

Deep Persistent Slabs

Concern remains for basal instabilities on high north areas. Be cautious in thin areas. This is low probability high consequence.

Aspects: North, North East, East, North West.

Elevations: Alpine.

Likelihood: Unlikely

Expected Size: 2 - 3