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Avalanche Forecast

Archived

Dec 28th, 2025–Dec 29th, 2025

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

Regions

North Columbia, McBride, Premier, Quesnel, Sugarbowl, Clemina, McGregor, Renshaw, Robson.

Strong westerly winds are expected to form fresh, reactive wind slabs. Watch for deposition near ridgelines and also in midslope features, further downslope than typical.

Confidence

Moderate

  • Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.
  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

On Thursday a size 3 avalanche in extreme, unskiable terrain was reported but details are limited. Since then small loose dry and wind slab avalanches have been reported, to size 1.5.

If you are heading into the backcountry, please consider sharing your observations or photos via the Mountain Information Network.

Snowpack Summary

Strong westerly winds have likely redistributed recent snow into deeper deposits on north and east facing slopes at higher elevations.

A prominent crust, formed in mid-December, is now buried 60 to 100 cm deep. This crust extends up to 2200 m. Several weak layers exist in the lower snowpack, however concern only exists for at higher elevation terrain where the mid December crust does not exist above. Triggering is considered generally unlikely, except by large loads.

Weather Summary

Sunday Night
Mostly cloudy. 2 to 10 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Monday
Mostly cloudy. 1 to 4 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Tuesday
Mostly cloudy. 1 to 10 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Wednesday
Mostly cloudy. 1 to 4 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Wind slabs are most reactive during their formation.
  • Use ridges or ribs to avoid areas of wind-loaded snow.

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.