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Avalanche Forecast

Archived

Jan 17th, 2025–Jan 18th, 2025

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

Regions

Chic-Choc Mountains.

The wind forecast for the weekend is likely to displace a lot of snow, making the snowpack more unstable.

Confidence

Moderate

Avalanche Summary

No new avalanches observed or reported.

If you head into the backcountry, thanks for sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

The light snow on the surface is starting to become denser. Inside the snowpack, there's a thin layer of frost about 25 cm deep, a layer of facets at about 40 cm and a refreezing crust at 60 cm. All these layers produced results in the tests carried out, but could become a real concern if the surface snow slabs up. The average depth of snow cover varies between 90 and 120 cm.

Weather Summary

WEATHER FOR THE CHIC-CHOCS RIDGES AND SUMMITS

An Alberta Clipper will be visiting us this weekend.

Friday evening and night: Mostly cloudy. South wind 20-40 km/h. Low -16.

Saturday: Cloudy. Snow beginning in the afternoon. Accumulation of 2 cm. Wind south, 30 to 50 km/h. High -5.

Sunday: Clearing in the afternoon. A little snow in the morning, accumulation of 5 cm. Wind northwest, 15 to 30 km/h. High -2.

Monday: Snow, accumulation of 25 cm. Wind northwest, 10 to 20 km/h. Temperature dropping to -18.

For more details, see the Chic-Chocs alpine weather forecast.

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Be aware of the potential for large avalanches due to buried weak layers.

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.