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Avalanche Forecast

Archived

Dec 6th, 2025–Dec 7th, 2025

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

Regions

South Coast, Powell River, North Shore, Sasquatch, Sasquatch, Tetrahedron.

Reactive storm slabs will be building throughout the day; pick conservative terrain.

An increase in hazard is expected if precipitation changes from snow to rain at upper elevations.

Confidence

Low

Avalanche Summary

No recent avalanches have been reported. However, observations are extremely limited in this area.

If you're heading out into the backcountry, please consider sharing your observations on the MIN.

Snowpack Summary

New snow combined with strong winds is forming dense, and potentially wet slabs near and above treeline. In wind-exposed areas, new snow is expected to have redistributed into lee features, forming more reactive slabs.

Around treeline, an estimated 30 to 80 cm of snow sits on a crust that extends to the ground. The snowpack diminishes rapidly below treeline.

Weather Summary

Saturday Night
Cloudy. 1 to 5 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1300 m.

Sunday
Cloudy. 20 to 40 mm of precipitation as snow or rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

Monday
Cloudy. 55 to 90 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level rising to 2100 m.

Tuesday
Cloudy. 25 to 35 mm of precipitation as snow or rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.




More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Make conservative terrain choices and avoid overhead hazard.
  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • Avalanche danger will rapidly increase if snow switches to rain.

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.