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Archived

Avalanche Forecast

Dec 26th, 2024–Dec 27th, 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.

Only a few cm's of snow has fallen in the last 5 days. Look to sheltered northerly aspects for isolated pockets of soft snow.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported.

Snowpack Summary

We have received only a few cm's of snow in the last 5 days. Wind slabs dominate the Alpine landscape with multiple layers of laminated wind slabs in the upper snowpack. The Dec crust is down 30 to 50cm is spotty through the forecast area, but is still a layer of concern. The deeper Nov and Oct crusts are faceting and could be triggered with large loads such as a cornice or a surface wind slab. Overall snowpack depths are well below average, and in many lower elevation areas it has little to no strength. Our biggest concern is triggering the wind slab and having it step down full depth. If you are uncertain of conditions, take the time to dig and have a look at the weak snowpack near the ground.

Weather Summary

Please click on the box below. Note that Tonight's forecast is for Thursday evening:

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.
  • Approach lee and cross-loaded slopes with caution.

Avalanche Problems

Wind Slabs

Watch for new surface windslabs developing in open areas.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Deep Persistent Slabs

If triggered the surface wind slabs may step down to this layer and involve the entire winters snowpack.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1.5 - 2.5