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Avalanche Forecast

Archived

Mar 12th, 2024–Mar 13th, 2024

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.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Chic-Choc Mountains.

A fine day is forecast for the mountains on Wednesday. Watch out for wind slabs as the sun warms the snow, but also for stumps and rocks that are sometimes barely covered.

Confidence

Moderate

Avalanche Summary

An avalanche was reported on the Mountain Information Network (MIN):

March 11, 2024 in the ''S'' apostrophe (Mines), triggered by a skier, accidental, wind slab, size 1, northern aspect, 45 deg inclination, tree line.

If you head into the backcountry, thanks for sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

The winter storm that began on Sunday evening has so far dumped between 25 and 45 cm of new, relatively heavy snow. There appears to be a little more snow in the southern part of the forecast area. This snow either lies directly on the ground or on a refreezing crust, which is present at all elevations and on all aspects.

The weather of the past two weeks has had the effect of prematurely melting the snowpack in the mountains. In many places, there is almost no snow left.

Weather Summary

Synopsis: The winter storm will give way to a high-pressure system on Wednesday. A weak low-pressure system will cross the southern part of the region later on Thursday until the weekend.

Tuesday evening and night: Snow. 5 to 10 cm. North wind, 40 to 50 km/h. Low -5.

Wednesday: Alternating sun and clouds. Wind northeast, 10 to 20 km/h. Maximum +2. Freezing level at 700 m.

Thursday: Snow. 5 to 10 cm. Wind southeast, 10 to 20 km/h. Maximum -1. Freezing level at 200 m.

Friday: Cloudy. Wind northwest, 10 to 20 km/h. High -1. Freezing level at 600 m.

For more details, check out the most recent alpine weather forecast.

Terrain and Travel Advice

  • Storm snow and wind is forming touchy slabs. Use caution in lee areas in the alpine and treeline.
  • Wind slabs are most reactive during their formation.
  • Be cautious of buried obstacles especially below treeline.

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.