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Avalanche Forecast

Archived

Mar 30th, 2025–Mar 31st, 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 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.

Regions

Chic-Choc Mountains.

The impact of the upcoming weather mix on avalanche danger remains uncertain. Take a cautious approach when selecting your routes and be prepared to adjust your plans based on changing conditions on the ground.

Confidence

Low

Avalanche Summary

An accidental wind slab avalanche was triggered on Saturday, March 29, on a convexity of the Grande Cuve on Mount Albert. https://avalanche.ca/mountain-information-network/submissions/b52e9a43-0d54-11f0-b10d-0a58a9feac02

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

Snowpack Summary

Before the arrival of the depression, a new layer of snow, 10 to 15 cm thick, was observed in wind-sheltered areas, covering a thick and firm crust of refrozen snow formed on March 21.

In the alpine and at the treeline, this new snow covers various surfaces such as the crust, pockets of wind-affected snow, or bare ground. In areas with maximum wind loading, accumulations of up to 20 to 25 cm on the crusts are found in isolated spots.

At mid-mountain, the snowpack thickness ranges from 60 to 150 cm.

Weather Summary

WEATHER FOR THE PEAKS AND SUMMITS OF THE CHIC-CHOCS

A weather cocktail from Colorado is bringing snow, rain, sleet, and freezing rain.

Sunday evening and night: Snow 4 to 7 cm. South wind at 15 to 25 km/h. Minimum -9.

Monday: Snow and sleet, 3 to 5 cm, followed by freezing rain and rain in the afternoon. South wind at 40 to 70 km/h. Maximum -2. The freezing level rises to 1450 m during the night from Monday to Tuesday.

Tuesday: Rain in the morning. West wind at 40 to 60 km/h. Cooling down, maximum 0. The freezing level drops back to sea level in the afternoon.

Wednesday: Sunny. Northwest wind at 20 to 40 km/h. Maximum -11.

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.
  • Avalanche danger will rapidly increase if snow switches to rain.

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.

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.