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Archived

Avalanche Forecast

Dec 2nd, 2024–Dec 3rd, 2024
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
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
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

Regions: Bow Valley, Highwood Pass, Kananaskis, North 40, Spray - KLakes.

Wind slabs will continue to develop on Tuesday. Use caution when entering lee and cross-loaded terrain.

Confidence

Moderate

Avalanche Summary

No new avalanches have been observed today.

Snowpack Summary

Wind slabs are present in the Alpine and you could see some wind transport on Tuesday with the strong NW winds. Be especially aware on lee features and cross loaded slopes. The height of snow varies from 40cm of facets to 70cm of more consolidated snow. Early season hazards are all over the place at all elevations. The October crust is close to the ground and has started to break down with facets just above it. This is our layer of concern and would provide a good sliding layer if triggered at the right spot.

Weather Summary

Tuesday will start off cool at -14c and warm up to -3c. Skies will be mostly sunny with some cloud. The winds are forecast to be strong from the NW.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

Avalanche Problems

Wind Slabs

Be on the lookout for these when transitioning into the alpine.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2.5

Persistent Slabs

This slab is sitting on the October crust which has facets above it and provides a good sliding surface. It is more reactive on N and E aspects.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1.5 - 2.5