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Avalanche Forecast

Archived

Dec 7th, 2025–Dec 8th, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Crowsnest North, Crowsnest South.

Watch for pockets of fresh wind slab as you gain elevation, while at lower elevations the hazard remains typical early-season conditions.

Confidence

Low

Avalanche Summary

No new avalanches have been reported. However, observations are limited. If you are out and about in the mountains, please consider posting your observations to the MIN.

Snowpack Summary

High elevations are heavily wind affected - from exposed rocks to dense wind slabs. Softer snow may be found in sheltered terrain, or at lower elevations. A crust from mid November is buried 30-50 cm deep.

The lower snowpack consists of multiple crusts, and in some areas, a layer of weak, sugary facets can be found near the ground.

Snowpack depths range from 30–100 cm, thinning quickly at lower elevations. In many areas, especially below treeline, slopes lack enough snow to cover ground roughness and produce avalanches.

Weather Summary

Sunday Night
Cloudy. 4 cm of snow. 70 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1600 m.

Monday
Cloudy. 3 cm of snow. 80 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1700 m.

Tuesday
Mix of sun and clouds. Up to 20 mm of precipitation as snow or rain at treeline. 70 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1900 m.

Wednesday
Mostly cloudy. 3 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.
  • Be cautious of buried obstacles, especially below treeline.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.