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Avalanche Forecast

Archived

Dec 1st, 2025–Dec 2nd, 2025

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

Regions

Sea To Sky, South Coast Inland, Brandywine, Garibaldi, Homathko, Spearhead, Tantalus, Sky Pilot, Birkenhead, Duffey, South Chilcotin, Stein, Taseko.

New snow is burying a potential weak layer. Test how the new snow is bonding before increasing your exposure.

Travel cautiously, as the snowpack is shallow and hides thinly buried hazards.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported since Friday. However, information is limited.

Snowpack Summary

New snow will be falling on a variety of potentially weak crystals, including: surface hoar, facets, and sun crusts on steep south facing slopes. The new snow may not bond well to the old surface.

A firm crust that formed in early November can be found 30 to 100 cm deep in the alpine and at treeline. Weak, sugary facets have been spotted above and below the crust. This layer isn't currently a concern, but once more snow arrives it could produce avalanches.

Expect to find 50 to 150 cm of snow, treeline and above, with snowpack depth decreasing rapidly below 1600 m.

Weather Summary

Monday Night
Cloudy with up to 5 cm of snow. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1200 m.

Tuesday
Mix of sun and cloud. 20 km/h north ridgetop wind. Treeline temperature -2 °C. Freezing level 1600 m.

Wednesday
Mix of sun and cloud. 10 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 900 m.

Thursday
Cloudy with 10 to 25 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use small, low consequence slopes to test the bond of the new snow.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Be cautious of buried obstacles, especially below treeline.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.