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Avalanche Forecast

Archived

Dec 29th, 2025–Dec 30th, 2025

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

Regions

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

Rising freezing levels and clear skies are creating heightened avalanche danger on steep slopes.

Approach steep slopes with caution and back off if the surface becomes moist.

Confidence

Moderate

  • Uncertainty is due to difficult to forecast freezing levels.

Avalanche Summary

Several human triggered size 1 to 1.5 wind slabs were reported on Saturday. These avalanches were mostly in open terrain features and steep terrain near ridge lines.

Snowpack Summary

Various surfaces of moist surface snow on steep solar facing slopes, and settling dry and wind affected snow on north facing slopes can be found.

This overlies a heavily wind affected snowpack over the December 16th crust that is roughly 120 to 150 cm deep.

In deeper snowpacks above 2200 m a crust formed mid-November, can be found near the ground.

Weather Summary

Monday Night
Clear skies. 20 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 2100 m.

Tuesday
Sunny. 30 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2000 m.

Wednesday
Sunny. 30 km/h southwest ridgetop wind. Treeline temperature -1 °C.

Thursday
Mix of sun and clouds. 1 cm of snow. 20 km/h south ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are isolated, but may remain reactive.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.

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.