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Avalanche Forecast

Archived

Mar 2nd, 2025–Mar 3rd, 2025

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

Regions

Chic-Choc Mountains.

⚠️A special avalanche warning is issued for the northern coastline of Haute-Gaspésie.

There is a lot of snow available in the mountains to form new wind slabs.

Look for wind-sheltered terrain below the tree line where you can avoid wind slabs and find excellent snow conditions.

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

In wind-sheltered areas, the new snow (25 to 30 cm) has accumulated on the existing snow layer in the mountains, forming up to 40 cm of snow resting on a thin, brittle crust. On sunny slopes, the crust is thicker and can extend up to 700 m.

The wind has altered the snowpack in the alpine zone, creating significant variability: some areas are bare, others compacted or eroded, while some have accumulated new snow.

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

Weather Summary

WEATHER FOR THE CRESTS AND SUMMITS OF CHIC-CHOCS

A high-pressure ridge brings a clear but cold day for Monday.

Sunday evening and night: Snow 2 to 4 cm. Northwest winds of 30 to 50 km/h. Low of -27 °C.

Monday: Mostly sunny. Northwest winds of 20 to 40 km/h becoming light from the west. High of -17 °C.

Tuesday: Alternating sun and clouds. Southwest winds of 20 to 30 km/h. High of -7 °C.

Wednesday: Intermittent snow. Light south winds. High of -2 °C. Freezing level at 600 m.

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

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.

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.