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Avalanche Forecast

Archived

Dec 31st, 2025–Jan 1st, 2026

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

Regions

Northwest Inland, Kitimat, Nass, Rupert, Seven Sisters, Shames, Howson.

Recent strong winds have produced reactive wind slabs.

Avoid leeward features where slabs are likely most reactive.

Confidence

Moderate

  • Recent weather patterns have resulted in a high degree of snowpack variability within the region.

Avalanche Summary

Several size 1.5-2.5 natural storm slabs and wet loose avalanches were reported in the Skeena River Corridor on Sunday and Monday.

As freezing levels lower, natural avalanche activity has begun to taper off.

If you observe an avalanche, please consider submitting a MIN report.

Snowpack Summary

Up to 100 cm of recent storm snow has fallen at higher elevations, accompanied by strong southwest winds. Freezing levels have been variable throughout the region, but reports suggest they could have reached 1400 m or higher. Below this a surface crust will be present.

This new precipitation has fallen on a layer of facets and possibly surface hoar from late December. No avalanches have been observed on this layer yet, but reports have been limited.

Weather Summary

Wednesday Night
Cloudy. 1 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 900 m.

Thursday
Cloudy. 2 to 4 cm of snow. 10 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 800 m.

Friday
Mix of sun and clouds. 10 km/h west ridgetop wind. Treeline temperature -6 °C. Freezing level 200 m.

Saturday
Mix of sun and clouds. 10 km/h north ridgetop wind. Treeline temperature -9 °C. Freezing level 0 m.



More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Be especially cautious as you transition into wind-affected terrain.

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.