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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, 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.
Below Treeline
Natural avalanches unlikely.

Regions

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

Wind slabs remain triggerable on all aspects from recent variable winds

Check steep lines for signs of wind loading before dropping in, and keep safe travel habits in mind at all danger levels

Confidence

Moderate

  • Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.
  • Confidence is due to a stable weather pattern with little change expected.

Avalanche Summary

On Sunday, explosives triggered wind slabs to size 3, while human triggered and natural avalanches reached size 2. Slabs occurred on all aspects; some involved cornice falls and others failed on the recent crust in the Monashees. This reflects a range of conditions throughout the region, and wind loading on all aspects.

Snowpack Summary

Recent snowfall has been redistributed into deeper deposits at higher elevations by strong winds. In the Monashees, a crust is buried 30-40 cm deep.

The prominent mid December crust is buried up to 110 cm deep and extends to 2300 m. Several weak layers persist in the lower snowpack, but concern is limited to higher-elevation terrain where the crust above is absent. Triggering is considered unlikely, except with large loads.

Weather Summary

Monday Night
Partly cloudy. 20 km/h west ridgetop wind. Treeline temperature -7 °C.

Tuesday
Mix of sun and clouds. 20 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Wednesday
Mostly sunny. 1 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Thursday
Mix of sun and clouds. 20 km/h south ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.

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.