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Avalanche Forecast

Archived

Dec 7th, 2025–Dec 8th, 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 possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

Cariboos, Blue River, McBride, Premier, Quesnel, Sugarbowl, Clemina, North Monashee, Renshaw, Robson.

Stormy conditions continue, creating tricky avalanche conditions. Best to keep things simple and avoid high-consequence terrain.

Confidence

Moderate

Avalanche Summary

Riders remotely triggered a couple large avalanches from 200 m away near Barkerville on the weekend. A similar avalanche was observed near Valemount. These avalanches speak to the propagation potential of the buried weak layer described in the Snowpack Summary, where it exists within the terrain.

Riders should expect the possibility of both rider-triggered and natural avalanches on Monday as stormy conditions continue to form slabs and load the buried weak layer.

Snowpack Summary

20 to 40 cm of snow accumulated over the weekend and another 10 to 20 cm may accumulate by Monday afternoon. Strong southerly wind likely formed deeper deposits in leeward terrain features.

Around 50 to 100 cm deep, a preserved layer of surface hoar may be found in openings around treeline. The distribution of this layer appears to be widespread south of Highway 16 and spottier north of the highway. Where it exists, the layer has the likelihood of forming widely-propagating avalanches that can be remotely triggered.

Snow depths at treeline average 100 to 150 cm and decrease rapidly at lower elevations.

Weather Summary

Sunday Night
Cloudy. 5 to 15 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1300 m.

Monday
Cloudy. 5 to 15 cm of snow with local amounts up to 25 cm possible. 40 km/h south ridgetop wind. Treeline temperature -4 °C. Freezing level 1300 m.

Tuesday
Cloudy with afternoon clearing. 5 to 15 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1500 m.

Wednesday
Cloudy. 5 to 15 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be aware of the potential for remote triggering and large avalanches due to buried surface hoar.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.
  • Be aware of the potential for large avalanches due to buried weak layers.
  • Be cautious of buried obstacles, especially below treeline.

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.