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Avalanche Forecast

Archived

Dec 28th, 2025–Dec 29th, 2025

Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural avalanches possible, human triggered probable.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.

Regions

Northwest Coastal, Boundary, Stewart, Ningunsaw.

New snow and wind will create dangerous avalanche conditions.

Avoid avalanche terrain.

Confidence

Avalanche Summary

A natural avalanche cycle is expected to occur throughout the duration of this storm.

Over the past few days, several size one wind and storm slab avalanches have been reported on all aspects and elevations.

Snowpack Summary

20 to 30 cm of new snow is burying a previously faceted and wind effected surface. New snow is expected to bond poorly to the previous surface.

The snowpack remains generally deep, with few layers of concern. Treeline snow depths exceed 300 cm.

Weather Summary

Sunday Night
Cloudy. 15 to 20 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -6 °C.

Monday
Cloudy. 20 to 30 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -4 °C.

Tuesday
Mostly cloudy. 10 to 15 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -2 °C.

Wednesday
Mostly cloudy. 5 to 10 cm of snow. 30 km/h south ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Minimize exposure during periods of heavy loading from new snow and wind.
  • Keep your guard up as storm slabs may remain sensitive to human triggering.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.