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Avalanche Forecast

Archived

Apr 16th, 2025–Apr 17th, 2025

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

Regions

Chic-Choc Mountains.

Snow conditions in alpine terrain remain uncertain. Adopt a cautious approach and adjust your routes according to observations made in the field.

Confidence

Moderate

Avalanche Summary

No new avalanches observed or reported.

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

Snowpack Summary

15 to 20 cm of fresh snow (wet below 800 m) rest on a generalized refreezing crust. The upper part of the snowpack, up to 70 cm deep, is wet. The middle of the snowpack consists of alternating well-consolidated snow and refreezing crusts.

There is considerable spatial variability in the alpine zone and at the treeline (presence of rocks, ice, blown snow). At mid-mountain, snowpack thickness varies from 80 to 200 cm.

Weather Summary

WEATHER FOR CHIC-CHOCS PEAKS AND SUMMITS

A few more centimeters of snow accompanied by strong westerly winds are expected on Thursday.

Wednesday evening and night: Intermittent snow. Accumulation of 5 to 7 cm. Northwest winds 20 to 40 km/h. Low -2. Frost at 400 m.

Thursday: Cloudy with a few snow showers. Accumulation 2 to 5 cm. Wind northwest 40 to 60 km/h. High 0. Frost at 450 m.

Friday: Sunny. Wind northwest 20 to 40 km/h. Maximum +2. Frost level at 600m.

Saturday: Rainy. Wind southwest 20 to 40 km/h. Maximum +5. Frost level at 2800m.

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

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

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.