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Avalanche Forecast

Archived

Dec 3rd, 2025–Dec 4th, 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, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

North Columbia, South Columbia, Blue River, Clemina, Esplanade, Jordan, North Monashee, North Selkirk, West Purcell, Badshot-Battle, Central Selkirk, Goat, Gold, Retallack, Valhalla, Whatshan.

Use caution on steep slopes near ridge crests and on rollovers, where you’re most likely to encounter reactive wind slabs.

Confidence

Moderate

Avalanche Summary

A few size 1 to 1.5 wind-slab avalanches were triggered by skiers and explosives in extreme alpine terrain in the Revelstoke area on Monday.

Please consider posting a MIN if you are heading out in the backcountry!

Snowpack Summary

Roughly 5 to 15 cm of snow has buried a widespread layer of surface hoar in sheltered terrain, a thin suncrust on steep south-facing aspects, and firm wind-affected surfaces in exposed terrain.

The mid snowpack contains a supportive melt-freeze crust, roughly 40 to 60 cm below the surface.

The average snow depth at treeline ranges from 70 to 100 cm.

Below treeline, the snowpack tapers significantly. Watch out for variable snow conditions and quality—early-season hazards such as open creeks, rocks, and stumps are abundant.

Weather Summary

Wednesday Night
Cloudy. 2 to 8 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -6 °C.

Thursday
Cloudy. 0 to 3 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -5 °C.

Friday
Cloudy. 10 to 20 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Saturday
Mostly cloudy. 5 to 10 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Carefully evaluate steep lines for wind slabs.
  • 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.