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Avalanche Forecast

Archived

Dec 30th, 2025–Dec 31st, 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 unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

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

Continuously assess conditions as you move through terrain.

Where the snow surface is dry small wind slabs may exist , where it’s wet loose avalanches are possible.

Confidence

Moderate

  • Uncertainty is due to difficult to forecast freezing levels.

Avalanche Summary

On Monday a few small cornice triggered wind slabs were reported.

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

Surface snow is variable, on steep solar facing slopes moist snow is expected and on north facing slopes, at treeline and above, 15 to 30 cm of dry, wind affected snow can be found.

This overlies a heavily wind affected snowpack over the December 16th crust that is generally 100 to 150 cm deep. This crust may be on the surface on scoured south facing alpine features.

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

Weather Summary

Tuesday Night

Clear skies. 30 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 2000 m.

Wednesday

Mostly sunny. 30 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1800 m.

Thursday

Mix of sun and clouds. 20 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.

Friday

Mostly cloudy. 2 to 3 cm of snow. 10 km/h south ridgetop wind. Treeline temperature -2 °C. Freezing level 800 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • 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.