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Avalanche Forecast

Archived

Apr 13th, 2025–Apr 14th, 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.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Chic-Choc Mountains.

Snowfall amounts are uncertain. Pay particular attention to the formation of new wind slabs and their reactivity.

Confidence

Moderate

Avalanche Summary

No new avalanche observed or reported.

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

Snowpack Summary

At the surface, a melt-freeze crust is present up to the alpine. The snowfall expected on Sunday night will accumulate on this crust. In the alpine and at treeline, conditions vary greatly between different aspects, but especially between different mountains. We find either surface rock, ice, crusted snow or wind-hardened snow accumulations.

The middle of the snowpack consists of alternating well-consolidated snow and melt-freeze crusts. At mid-mountain, the depth of the snowpack varies from 60 to 180 cm.

Weather Summary

WEATHER FOR THE PEAKS AND SUMMITS OF THE CHIC-CHOCS

Snowy precipitation is expected during the week.

Sunday evening and night: Rain changing to snow this evening. Snow accumulation of 5 to 10 cm. Northeast winds, 30 to 60 km/h. Low -2. Freezing level at 300 m.

Monday: Snow. Accumulation of 3 to 5 cm. Northeast winds, 30 to 50 km/h. Maximum -1. Freezing level at 600 m.

Tuesday: Alternating sun and clouds. Northeast winds, 10 to 20 km/h. High 3. Freezing level at 900 m.

Wednesday: Snow. Accumulation of 15 to 20 cm. Light northeast winds. Maximum 1. Freezing level at 600 m.

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

Terrain and Travel Advice

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

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.