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Avalanche Forecast

Archived

Jan 11th, 2023–Jan 12th, 2023

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
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.

Regions

Chic-Choc Mountains.

The snow of the last few days makes for good skiing.

If you venture into the alpine and at treeline, keep an eye out for wind slabs.

Confidence

Moderate

Avalanche Summary

No new avalanche activity has been observed or reported.

More and more relevant information is shared by users with the Mountain Information Network. Thank you for contributing to the collection of this valuable data! You can also continue to write to us at [email protected].

Snowpack Summary

In sheltered areas, 20 to 30 centimetres of low density snow overlies the crust. In the alpine, at treeline and on exposed features, this snow has been redistributed, leaving a variety of wind-affected surfaces (soft slabs, hard slabs, sastrugi, scoured down to the crust). This new snow does not yet adhere well to the crust, which could make it difficult to travel in the alpine, as well as on steeper features. Crampons and ice axes are recommended.

The average height of the snowpack is still very thin, and extremely variable from one place to another.

Weather Summary

Forecast for the Chic-Chocs ridges and summits.

Synopsis: A low-pressure system is slowly moving from the Great Lakes into the region on Thursday afternoon and will leave significant amounts of snow on Friday over the Chic-Chocs.

Wednesday evening and night: Clear. No precipitations. Winds from 30 to 40 km/h from the northwest. Min. -16.

Thursday: Clouds gradually coming in in late afternoon. No precipitations. Light southwest winds increasing to 30 km/h by midday. Max. -10.

Friday: Cloudy. 30 to 40 cm of snow. Easterly winds at 60 km/h gusting up to 100 km/h. Max. -5.

Saturday: Cloudy. Trace of snow. Winds from the north from 40 km/h in AM to 20 km/h at midday. Max. -12

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

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Be especially cautious as you transition into wind affected terrain.

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.