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Avalanche Forecast

Archived

Dec 1st, 2025–Dec 2nd, 2025

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

Regions

Crowsnest North, Crowsnest South.

Strong winds at upper elevations may have created pockets of wind slab that a person could trigger.

Assess steep slopes for dense or stiff snow before committing.

Confidence

Low

Avalanche Summary

No new avalanches reported.

This MIN from the Highwood area in near by Kananaskis region, describes the similar conditions found in the Crowsnest region.

Snowpack Summary

Strong winds and blowing snow may have formed new wind slabs at treeline and above. The upper snowpack is variable, with wind-affected surface snow in open terrain and softer snow in sheltered areas. This overlies a crust that formed in early November. The lower snowpack consists of multiple crusts, and in some areas a layer of weak, sugary facets can be found near the ground.

Total snowpack depths are roughly 60 to 80 cm, tapering quickly at lower elevations.

In many areas, especially below treeline, there is not enough snow to smooth out surface roughness or reach the threshold needed for avalanches.

Weather Summary

Monday Night

Cloudy with new snow 3 to 8 cm. 30 to 50 km/h west ridgetop wind. Treeline temperature -15 °C.

Tuesday

Mostly cloudy with light flurries. 40 to 50 km/h north ridgetop wind. Treeline temperature -11 °C.

Wednesday

Mostly sunny. 30 to 55 km/h northwest ridgetop wind. Treeline temperature -9 °C.

Thursday

Mix of sun and cloud with isolated flurries. 60 to 80 km/h west ridgetopCrow N/S wind. Treeline temperature -10 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Watch for areas of hard wind slab on alpine features.
  • Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.

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.