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Avalanche Forecast

Archived

Mar 4th, 2025–Mar 5th, 2025

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

Regions

Chic-Choc Mountains.

Exercise caution when approaching leeward slopes and those with lateral loading.

Carefully assess the slopes you are about to enter.

Confidence

High

Avalanche Summary

A natural slab avalanche of size 2 was observed on Monday, March 3, in the steep section of the Patrouilleurs Wall on Mount Albert. It was reported on the RIM: https://avalanche.ca/mountain-information-network/submissions/a9a8d3a4-f905-11ef-9dd3-0a58a9feac02

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

Snowpack Summary

In wind-protected areas at and below the tree line, up to 40 cm of light snow is found resting on a thin, friable crust.

The wind has altered the snow cover in the alpine, creating significant variability: some areas are bare, others are compacted or eroded, while some have accumulated snow. The east and southeast slopes have been favored by recent loading. A thin crust is buried beneath the new snow on the sunny slopes of the alpine up to about 700 m.

The middle of the snowpack is well consolidated, resting on a layer of faceted grains that are rounding out.

Weather Summary

WEATHER FOR THE CRESTS AND SUMMITS OF CHIC-CHOCS

A light depression bringing some snowflakes by Wednesday morning.

Tuesday evening and night: Generally cloudy. Light snow, 1 to 3 cm. West wind at 15 to 30 km/h. Minimum -10 °C.

Wednesday: Generally cloudy. Light intermittent snow starting late in the afternoon, 3 to 7 cm. Light southwest wind. Maximum -3 °C. Freezing level at 400 m.

Thursday: Freezing rain, then rain (5-10 mm). South wind at 40 to 70 km/h. Maximum +4 °C. Freezing level at, 2050 m.

Friday: Intermittent rain or snow. Light west wind. Cooling down. Maximum +4°C, minimum -7°C. Freezing level at 570 m.

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

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.

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.