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Avalanche Forecast

Archived

Dec 28th, 2025–Dec 29th, 2025

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

Regions

Clearwater, Rossland, South Okanagan, Shuswap, North Okanagan.

Small wind slabs may remain triggerable at higher elevations.

Even small avalanches are significant in consequential terrain.

Confidence

Moderate

  • We have a good understanding of the snowpack structure and confidence in the weather forecast
  • Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.

Avalanche Summary

Small rider triggered wind slabs were reported over the last 2 days. We expect reactivity in isolated wind affected features to continue.

Snowpack Summary

Westerly winds have likely redistributed recent snow into deeper deposits on east and south facing slopes at higher elevations.

A prominent crust, formed in mid-December, is buried 30 to 50 cm below the surface and extends up to 2200 m. In the mid snowpack, several other crust layers exist. In the lower snowpack, a crust from mid-November can be found with facets above and below.

Weather Summary

Sunday Night
Mostly clear skies. 1 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Monday
Mostly cloudy. 2 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -6 °C.

Tuesday
Mix of sun and clouds. 30 km/h southwest ridgetop wind. Treeline temperature -2 °C.

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

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.

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.