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Avalanche Forecast

Archived

Mar 11th, 2024–Mar 12th, 2024

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, 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.

A good deal of relatively heavy snow has fallen on the Chic-Chocs, and a little more is expected between now and Tuesday evening. Beware of the wind slabs in the mountains, but also of the stumps and rocks that are sometimes barely covered with snow.

Confidence

Moderate

Avalanche Summary

No new avalanches have been observed or reported over the last few days.

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 continue until Tuesday evening, leaving an additional accumulation of 10 to 25 cm. A slight thaw is forecast for Wednesday, so it's better to take advantage of the skiing sooner rather than later.

Monday evening and night: Snow. 5 to 10 cm. Northeast wind, 20 to 40 km/h. Minimum -5.

Tuesday: Snow. 10 to 15 cm. Wind north, 20 to 40 km/h. Maximum -3. Freezing level at 500 m.

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

Thursday: Cloudy. Wind southeast, 10 to 20 km/h. Maximum +2. Freezing level at 700 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.