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Avalanche Forecast

Archived

Dec 8th, 2025–Dec 9th, 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, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Coast Inland, Birkenhead, Duffey, South Chilcotin, Stein, Taseko.

The storm is expected to taper off Monday night, resulting in variable snowpack conditions.
Expect rapid changes as you travel through different elevations.

Confidence

Moderate

Avalanche Summary

A large natural avalanche (size 2.5) was observed on Saturday on Steep Peak. It ran naturally from a couloir above Darkside Lake.

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

Snowpack Summary

At elevations of 1800 m and below, the snow surface is likely moist or even wet due to rain and elevated freezing levels from Monday. On alpine terrain, recent storm snow has formed wind slabs on leeward features and scouring windward slopes.

Several layers, including surface hoar, facets, and a thin crust, can be found 20 to 40 cm below the surface. A firm crust, formed in early November, can be found buried 40 to 90 cm at alpine and treeline elevations. Weak facets have been spotted above and below the crust.

Snowpack height averages around 100 cm at treeline and decreases rapidly below about 1500 m.

Weather Summary

Monday Night
Cloudy. 5 to 10 cm at treeline. 50 km/h southwest ridgetop wind. Treeline temperature -3°C. Freezing level 1500 m.

Tuesday
Mix of sun and clouds. 30 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1400 m.

Wednesday
Mostly cloudy. 1 to 3 mm of precipitation as snow or rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1800 m.

Thursday
Partially cloudy. 20 km/h southwest ridgetop wind. Treeline temperature -3°C. Freezing level 1300 m.



More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Use ridges or ribs to avoid areas of wind-loaded snow.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

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.