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Avalanche Forecast

Archived

Apr 20th, 2025–Apr 21st, 2025

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 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.

Regions

Chic-Choc Mountains.

Between 20 and 30 cm of new snow have fallen in the mountains over the past 24 hours. Use caution if venturing into avalanche terrain, and carefully assess the stability of the snowpack before heading into more challenging terrain.

Confidence

Low

Avalanche Summary

No new avalanches have been observed or reported.

If you're out in the backcountry, please share your observations on the Réseau d'Information en Montagne (RIM).

Snowpack Summary

20 to 30 cm of new snow rests on a refreezing crust. Conditions are highly variable in the alpine and at treeline (rocks, ice, wind-blown snow). The upper part of the snowpack, up to 80 cm deep, is moist. The middle of the snowpack consists of alternating well-consolidated snow and refreezing crusts.

At mid-mountain, the depth of the snowpack varies from 80 to 170 cm.

Weather Summary

WEATHER FOR CHIC-CHOCS PEAKS AND SUMMITS

Monday will be a beautiful sunny day in the mountains.

Sunday evening and night: Snow ending late this evening. Accumulation of 5 to 10 cm. Northwest winds 70 to 90 km/h. Low -5. Freezing level going down to 300m.

Monday: Sunny. Northwest winds 20 to 30 km/h. Maximum 0. Freezing level at 700m.

Tuesday: Intermittent rain. Winds southeast 30 to 50 km/h. Maximum +1. Freezing level at 800m.

Wednesday: Intermittent snow. Accumulation 2 to 5 cm. Light northwest winds. Maximum +3. Freezing level at 1100m.

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

Terrain and Travel Advice

  • Keep your guard up as storm slabs may remain sensitive to human triggering.
  • Avoid freshly wind-loaded terrain features.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.