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Archived

Avalanche Forecast

Feb 28th, 2025–Mar 1st, 2025
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Chic-Chocs.

The risk of avalanches will increase on Saturday with the arrival of the storm and the accumulation of snow in the mountains.

Confidence

Moderate

Avalanche Summary

No new avalanches were observed or reported.

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

Snowpack Summary

5 to 10 cm of new snow lay on a sun crust on the sunny slopes, at and below treeline. In the alpine and at treeline, a variety of wind-affected surfaces were observed (rocks, hard snow, snow accumulation). In wind-protected areas, 20 to 50 cm of fairly light snow lies on top of a well-consolidated snowpack. A significant presence of facets is found at the base of the snowpack (up to 60 cm), especially in areas where the snowpack is thinner. The height of the snowpack varies between 120 and 220 cm.

Weather Summary

WEATHER FOR THE CRESTS AND SUMMITS OF CHIC-CHOCS

A low-pressure system from the Great Lakes will reach the region around midday on Saturday. The Chic-Chocs will be in the northern quadrant of its path, bringing heavier snowfall.

Friday evening and night: Partly cloudy. Winds 20 to 40 km/h from the northwest. Low -18.

Saturday: Occasionally heavy snow beginning in the morning. Accumulations of 5 to 10 cm of snow during the day and 10 to 15 cm overnight. Winds 20 to 40 km/h from the south. Maximum -10.

Sunday: Snow. Accumulation of 5 cm. Winds 20 to 40 km/h from the northwest. High -15.

Monday: Mostly sunny. Wind 20 to 40 km/h from the northwest. High -15.

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

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

Avalanche Problems

Wind Slabs

New wind slabs are set to form on Saturday with the arrival of the expected precipitation and moderate to strong southerly winds. These will be superimposed on existing wind slabs.

Aspects: North, North East, East, South East, North West.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1.5 - 2.5