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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, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Glacier.

Isolated pockets of wind slab have been reported in the alpine.

Early Season hazards such as rocks and trees are prevalent at lower elevations. Allow adequate time for egress and emergencies during these short days.

Confidence

High

Avalanche Summary

There has not been any recent natural or human triggered avalanche activity reported in the last few days.

MIN reports have observed pockets of wind slab in the alpine.

Snowpack Summary

The surface consists of a thin suncrust on steep solar aspects with wind slab development noted in exposed alpine areas. Good powder can still be found in protected zones.

A rain crust is down 40-60cm in the snowpack, and exists up to approximately 2200m. The height of snow at treeline is ~120cm, and down at Rogers Pass (1300m) is 45cm.

Weather Summary

Increased wind before light snow Wed PM.

Tonight Cloudy with isolated flurries. Trace precipitation. Alpine Low -7 °C. Ridge wind SW 15 -25km/h

Tues Cloudy / sunny periods & isolated flurries. Trace precip. Alpine High -6. Wind W 10-20. Freezing level (FZL) 1300 metres

Wed Mainly cloudy, Isolated Flurries. Trace precip. High -8. Wind SW 20.

Thurs Flurries. ~6 cm. Alpine high -4 . Wind SW 20 gusting to 45. FZL 1200m

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

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.