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Avalanche Forecast

Archived

Dec 1st, 2025–Dec 2nd, 2025

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

Regions

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

Temperatures rose during the storm, so expect variable conditions.

Terrain that was sheltered from the wind and wasn't rained on should hold good riding and lower avalanche danger.

Confidence

Low

Avalanche Summary

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

Looking forward to Tuesday, we expect that recent snow, wind, and rain will make human triggered avalanches likely in some terrain.

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. Depending on the exact freezing level, 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

Monday Night
Mostly cloudy. 2 to 4 mm of precipitation as snow or rain at treeline. 30 km/h west ridgetop wind. Average treeline temperature -1 °C.

Tuesday
Mix of sun and clouds. 1 mm of precipitation as snow or rain at treeline. 15-30 km/h northwest ridgetop wind. Average treeline temperature -1 °C.

Wednesday
Mostly cloudy. 4 to 10 cm of snow at treeline. 30 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Thursday
Mostly cloudy. 5 to 10 mm of precipitation as snow or rain at treeline. 30 km/h west ridgetop wind. Treeline temperature 0 °C.



More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Make observations and continually assess conditions as you travel.
  • Shooting cracks, whumpfs, and recent avalanches are strong indicators of an unstable snowpack.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.
  • 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.

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.