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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 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.

Regions

Cariboos, South Columbia, Blue River, Esplanade, Jordan, North Monashee, North Selkirk, Dogtooth, West Purcell, Badshot-Battle, Central Selkirk, Goat, Gold.

Wind slabs remain sensitive to rider triggers, found on most aspects from variable winds.

Watch for mid slope loading, and cross loaded features.

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 complexity of the snowpack’s structure.

Avalanche Summary

Many rider triggered avalanches to size 2 have been reported in wind affected terrain, including loose dry avalanches triggering slabs. Several avalanches also involved cornice failures. Several occurred on south-facing slopes, highlighting variable wind loading.

On Thursday, persistent slabs up to size 3 were observed in the Esplanades, failing on deeply buried weak layers in the alpine and upper treeline - by heavy loads and where there was no/minimal crust above.

Snowpack Summary

Recent snowfall has been redistributed into deeper deposits at higher elevations by strong winds. In the Monashees, a crust exists within the recent storm snow at lower elevations.

The prominent mid December crust is buried up to 110 cm deep, which can be found up to 2300 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
Partly cloudy. 1 cm of snow. 20-40 km/h west ridgetop wind. Treeline temperature -11 °C.

Monday
Mix of sun and clouds. 1 cm of snow. 20-30 km/h west ridgetop wind. Treeline temperature -9 °C.

Tuesday
Mix of sun and clouds. 30-50 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Wednesday
Mix of sun and clouds. 1 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Stay off recently wind loaded slopes until they have had a chance to stabilize.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • 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.