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Avalanche Forecast

Archived

Dec 22nd, 2025–Dec 23rd, 2025

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

Regions

Vancouver Island, East Island, North Island, South Island, West Island.

The snowpack has more than doubled! Give it time to adjust before increasing your exposure.

Gather information as you ascend, watching closely how the new snow is bonding to the old snow.

Confidence

Low

  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

On Monday, south of Cameron Lake, the field team saw several small dry loose avalanches from steep terrain, and a reactive storm slab problem.

Backcountry reports are very limited, but it's expected that storm slab avalanches may have occurred on Monday.

Snowpack Summary

Snow continues to accumulate, with many areas seeing 80 to over 100 cm of recent snow over a melt-freeze crust, with deeper deposits in wind-loaded terrain at treeline and above.

Early-season hazards remain a concern, now concealed beneath the new snow, and will continue to be until the snowpack settles and becomes more supportive.

Weather Summary

Monday Night
Mostly cloudy. 10 to 20 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Tuesday
Mostly cloudy. 5 to 10 cm of snow. 20 to 40 km/h south ridgetop wind. Treeline temperature -4 °C.

Wednesday
Mix of sun and clouds. Up to 5 cm of snow. 20 km/h south ridgetop wind. Treeline temperature -3 °C.

Thursday
Mix of sun and clouds. 20 km/h east ridgetop wind. Treeline temperature -1 °C. Freezing level 900 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Be especially cautious as you transition into wind-affected terrain.
  • Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.

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.

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.