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Avalanche Forecast

Archived

Dec 2nd, 2025–Dec 3rd, 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 possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely.

Regions

Coquihalla, Harrison-Fraser, Manning, Skagit.

Cautious travel is advised as the snowpack remains shallow in many areas.

Wind slab formation is possible on all aspects in the alpine.

Confidence

Low

Avalanche Summary

No avalanches have been reported. However, observations are limited.

If you're heading out into the backcountry, please consider sharing your observations on the MIN.

Snowpack Summary

Ongoing light snowfall may not bond well to old snow crystals, including: surface hoar, sugary facets, and sun crusts. It's estimated that anywhere from 5 to 15 cm of new snow has covered this layer.

Above treeline, there is a buried crust down 30 to 40 cm, which extends to the ground. The snowpack is around 70 to 90 cm deep at treeline, and diminishes rapidly below treeline.

In wind exposed areas, soft snow has likely been redistributed into lee features and formed wind slabs.

Weather Summary

Tuesday Night

Mostly clear skies. 10 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 900 m.

Wednesday

Mostly cloudy. 1 cm of snow at treeline. 20 km/h west ridgetop wind. Treeline temperature -4 °C. Freezing level 700 m.

Thursday

Mostly cloudy. 1 to 2 cm of snow at treeline. 40 km/h west ridgetop wind. Treeline temperature -4 °C. Freezing level 800 m.

Friday

Mix of sun and clouds. 15 to 30 mm of precipitation as snow or rain at treeline. 60 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1400 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 caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • 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.