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Avalanche Forecast

Archived

Apr 6th, 2025–Apr 7th, 2025

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

Regions

Chic-Choc Mountains.

We are uncertain about the distribution and reactivity of the recently fallen snow, resting on the melt-freeze crust of April 3. Please assess the slopes carefully before setting off.

Confidence

Low

Avalanche Summary

A MIN has been published on Avalanche Canada’s website regarding the incident that occurred on April 5th on Mount Albert.

If you are heading into the backcountry, please share your observations on the Mountain Information Network (MIN).

Snowpack Summary

In alpine zones and at treeline, conditions vary from a frozen surface, or even hard ice and rock, to wind-blown snow accumulation.

Below treeline, a thin melt-freeze crust may be observed on the surface up to around 600 m altitude. A 15-25 cm layer of fresh snow lies on top of a breakable melt-freeze crust dating back to April 3. The middle of the snowpack consists of alternating well-consolidated snow and melt-freeze crusts.

At higher altitudes, the eastern and southeastern slopes benefit from better snow cover, while the southern, western and northern slopes are rather bald. At mid-mountain, snow depth varies between 60 and 180 cm.

Weather Summary

WEATHER FOR THE PEAKS AND SUMMITS OF THE CHIC-CHOCS

A rather sunny and pleasant day in the mountains on Monday.

Sunday evening and night: Partly cloudy. Wind northwest, 40-50 km/h. Low -11.

Monday: Clearing in the afternoon. Wind northwest, 20 to 40 km/h. High -5.

Tuesday: Cloudy. Snow late in the day. Accumulation, 5 to 10 cm. Light southeast winds. High -2.

Wednesday: Intermittent snow. Accumulation 2 to 5 cm. Westerly winds. High -8.

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

Terrain and Travel Advice

  • Closely monitor how the new snow is bonding to the crust.
  • Keep in mind a buried crust offers an excellent bed surface for avalanches.
  • Carefully evaluate steep lines for wind slabs.

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.