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Avalanche Forecast

Archived

Apr 18th, 2025–Apr 19th, 2025

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

Regions

Chic-Choc Mountains.

The stability of the snowpack will diminish rapidly with the arrival of rain and rising temperatures.

Confidence

Moderate

Avalanche Summary

A few small wet loose avalanches were observed on Friday on southern aspects.

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

Snowpack Summary

Conditions are highly variable in the alpine and at treeline (rock, ice, wind-blown snow). In areas sheltered from the wind, 10 to 40 cm of recent snow lies on a generalized refreezing crust. 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 crust.

At mid-mountain, the depth of the snowpack varies from 80 to 200 cm.

Weather Summary

WEATHER FOR CHIC-CHOCS PEAKS AND SUMMITS

A low-pressure system from Colorado will hit the Chic-Chocs this weekend, bringing rain on Saturday and heavy snow on Sunday.

Friday evening and night: Partly cloudy. Southwest winds, 20 to 40 km/h. Low -2. Freezing level at 300 m.

Saturday: Rain beginning midday. Accumulation, 10 to 15 mm. Wind southwest, 20 to 40 km/h. Maximum +6. Freezing level at 2700m.

Sunday: Snow. Accumulation 20 to 30 cm. Wind northwest, 60 to 90 km/h. Maximum 0. Freezing level at 600m.

Monday: Sunny. Wind northwest, 40 to 60 km/h. Maximum 0. Freezing level at 800m.

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

Terrain and Travel Advice

  • Avoid avalanche terrain during periods of heavy rain.
  • The first few hours of rain will likely be the most dangerous period.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.