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Avalanche Forecast

Archived

Dec 2nd, 2025–Dec 3rd, 2025

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

Regions

Northwest Coastal, Nass, Seven Sisters, Shames, Stewart, Howson.

As you explore new terrain, check if the recent snow is sticking to the old surface.

Slopes sheltered from the wind and above the rain line should hold good riding and lower avalanche danger.

Confidence

Low

Avalanche Summary

On Monday, near Stewart, a couple small (size 1) loose wet avalanches were reported below treeline.

If you are getting out in the backcountry, consider making a post on the MIN (Mountain Information Network). You can share riding conditions, avalanche or snowpack observations, or even just a photo or two.

Snowpack Summary

Up to 25 cm of recent snow and moderate to strong southwest and west wind may have formed reactive wind slabs on leeward slopes in the alpine. Surface snow may be moist or soaked with rain at treeline and below.

Wind has varied in direction over the past week. Expect most exposed slopes to be wind-affected.

A layer of weak, feathery crystals buried in mid November is 30 to 50 cm deep in sheltered treeline terrain.

Below 1400 m, a 2 to 10 cm rain crust sits 40 to 60 cm down.

Above treeline, the snowpack is roughly 200 cm, tapering steadily with elevation to around 30 cm at valley bottom, where many early-season hazards remain just below the surface.

Weather Summary

Tuesday Night
Mostly cloudy. 2 to 4 cm of snow at treeline. 30 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1000 m.

Wednesday
Mostly cloudy. 3 to 10 cm of snow at treeline. 30 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1000 m.

Thursday
Mostly cloudy. 5 mm of precipitation as snow or rain at treeline. 30 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1100 m.

Friday
Mix of sun and clouds. 5 to 20 cm of snow at treeline. 20 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 900 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • If you are increasing your exposure to avalanche terrain, do it gradually as you gather information.
  • Shooting cracks, whumpfs, and recent avalanches are strong indicators of an unstable snowpack.
  • Avoid freshly wind-loaded features, especially near ridge crests, rollovers, and in steep terrain.
  • 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.