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Avalanche Forecast

Archived

Nov 28th, 2025–Nov 29th, 2025

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

Regions

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

Continuously assess conditions as you move through terrain

Wind slabs could be found up high, early season hazards are just below the surface down low

Confidence

Low

Avalanche Summary

A small skier triggered slab avalanche was reported near Shames on Wednesday. This avalanche was on a steep slope on a south aspect at treeline.

No other avalanches have been reported in the region over the past few days, but observations are limited.

Please continue to share your observations via the Mountain Information Network.

Snowpack Summary

Wind has varied in direction over the past few days, wind slab could be found on all aspects as a result.

A surface hoar layer that was buried in the middle of November can be found down 30 to 40 cm on sheltered treeline features.

A 2 to 10 cm thick rain crust can be found down 40 to 60 cm at 1400 m and below. This layer is currently not a concern.

Above treeline there is an above average snowpack depth of 200 cm. Snowpack depth tapers with elevation to around 30 cm at valley bottoms. Many early season hazards are just below the surface below treeline.

Check out this great MIN for more info.

Weather Summary

Friday Night

Mostly cloudy. 5 to 15 km/h south alpine wind. Treeline temperature -1°C, potential for temperature inversion with colder temps at valley bottoms.

Saturday

Mix of sun and cloud. 25 to 50 km/h northeast alpine wind. Treeline temperature -1°C.

Sunday

Cloudy with up to 10 cm of snow. 30 to 50 km/h southwest alpine wind. Treeline temperature -2°C.

Monday

Cloudy with up to 30 cm of snow at treeline and above. 30 to 60 km/h southwest alpine wind. Treeline temperature -1°C, freezing level rising to 1000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • Use ridges or ribs to avoid areas of wind-loaded snow.
  • Be cautious of buried obstacles, especially below treeline.
  • Make observations and continually assess conditions as you travel.

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.