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Avalanche Forecast

Archived

Jan 8th, 2025–Jan 9th, 2025

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

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

Assess for wind slabs in your area. If things are spicier than forecast, go to your more conservative plan B.

Low danger doesn't mean no avalanches.

Confidence

High

Avalanche Summary

Several small wet loose avalanches on south aspects were reported in the Coquihalla area on Tuesday.

As well as a large glide slab avalanche. Glide slabs are hard to forecast. If you see a glide crack, simply avoid being under it.

Snowpack Summary

A thin surface crust is expected everywhere except northerly slopes in the alpine.

A substantial crust up to 30 cm thick sits 50 to 90 cm deep, well-bonded to surrounding snow. The mid and lower snowpack is generally well consolidated, with several well-bonded crusts scattered throughout.

Treeline snow depths range from roughly 150 to 220 cm around the Coquihalla and 100 to 150 cm around Manning Park.

Weather Summary

Wednesday Night

Clear skies. 10 to 20 km/h north ridgetop wind. Treeline temperature -1 °C.

Thursday

Mostly sunny. 10 to 20 km/h west ridgetop wind. Treeline temperature +2 °C. Freezing level 3000 m.

Friday

Cloudy with 10 to 20 cm of snow. 40 km/h west wind. Treeline temperature -1 °C.

Saturday

Cloudy. 20 to 30 km/h west wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Make observations and continually assess conditions as you travel.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.

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.