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Avalanche Forecast

Archived

Jan 8th, 2026–Jan 9th, 2026

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

Regions

Sasquatch, Coquihalla, Harrison-Fraser, Manning, Skagit.

Avoid lee areas where wind slabs are deeper and more dangerous.

Test small features before committing to large terrain.

Confidence

Moderate

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

Avalanche Summary

On Wednesday, there was a report of a large storm slab (size 2) that released naturally from below a rock feature near the Coquihalla. It occurred on a south aspect at treeline.

On Tuesday, there were small to large (size 1-2) storm slab avalanches reported near the Coquihalla and Sasquatch Mountain Resort. Failing 10 to 40 cm deep.

Snowpack Summary

Another 15 cm brings storm totals up to 40 to 70 cm of recent snow, which overlies a crust on south-facing slopes.

The mid-December crust is 150 to 250 cm deep. This crust is 30 cm thick and well-bonded to the snow above.

In general, the snowpack is well settled and right-side up.

Weather Summary

Thursday Night
Cloudy. 5 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -6 °C.

Friday
Cloudy. 3 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -5 °C. Freezing level 900 m.

Saturday
Mix of sun and clouds. 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1500 m.

Sunday
Mostly cloudy. 10 to 25 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Seek out wind sheltered terrain below treeline where you can avoid wind slabs and find great riding.
  • Be careful as you transition into wind-affected terrain.
  • Wind slabs are most reactive during their formation.
  • Make observations and continually assess conditions as you travel.

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.