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Avalanche Forecast

Archived

Dec 2nd, 2025–Dec 3rd, 2025

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
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.

Regions

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

New snow has buried 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

Small (size 1) wind slab avalanches have been reported in isolated steep terrain features that are adjacent to ridge crests.

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

Snowpack Summary

New snow has fallen on a variety of potentially weak crystals, including: surface hoar, facets, and sun crusts found 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

Tuesday Night

Mostly clear skies. 10 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 1100 m.

Wednesday

Mix of sun and clouds. 1 to 2 cm of snow at treeline. 10 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 900 m.

Thursday

Mix of sun and clouds. 1 cm of snow at treeline. 20 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 900 m.

Friday

Mix of sun and clouds. 5 to 15 cm of snow at treeline. 30 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1200 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

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.