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Avalanche Forecast

Archived

Jan 23rd, 2023–Jan 24th, 2023

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

Regions

Chic-Choc Mountains.

Low danger does not mean no risks. Watch for the development of wind slabs throughout the day and before committing to a more challenging line.

With this layer of ice barely buried, carefully assess the consequences of a slide on it.

Confidence

Moderate

Avalanche Summary

No new avalanches have 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

Moderate to strong northerly winds have redistributed the 5 to 10 cm of snow overlying the January 18 ice crust, which varies in thickness and stiffness. That crust is much more friable (and skiable) in areas with a denser canopy. Be careful, though, if your skis go below the crust, the thickness and stiffness of it could cause injury. In the alpine and at treeline, these winds have exposed this icy surface in many places.

It goes without saying that travelling in the alpine and on steep terrain is still adventurous. Many obstacles are still not covered, increasing the consequences of a slide on the ice. In the alpine, snow surface go from exposed rocks, to ice, to areas of greater accumulation. In general, the heights of the snowpack vary from 50 to 100 cm depending on the sector and the altitude.

Weather Summary

Forecast for the Chic-Chocs ridges and summits.

Synopsis: A cold front, northwest'ly winds and the St-Lawrence that is free of ice will work together, bringing light precipitations on Tuesday and Wednesday.

Monday night and overnight: Mostly clear. Trace of snow. Winds from the north from 25 to 50 km/h. Min. -10C. Freezing level at valley bottom.

Tuesday: Cloudy. 2-3 cm of snow. Winds from the northwest from 45 to 60 km/h. Max. -12. Freezing level at valley bottom.

Wednesday: Clearing in the PM. 2-3 cm of snow. Northwest'ly winds around 30 km/h gusting up to 60. Max. -24C.

Thursday: Cloudy. 15-20 cm of snow. Winds from the southeast from 50 to 95 km/h. Max. -12C

For more details check the Alpine Weather Forecast.

Terrain and Travel Advice

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.
  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Fresh wind slabs will likely form throughout the day, diligently watch for changing conditions.

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.