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Avalanche Forecast

Archived

Mar 15th, 2024–Mar 18th, 2024

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

Regions

Chic-Choc Mountains.

👉ATTENTION - BULLETIN VALID FROM MARCH 16 TO 18👈

Conditions for the weekend will be rather crusty in the mountains. Solar warming may not be enough to greatly improve conditions. Watch out for the passage of a low-pressure system from Sunday to Monday, which could bring enough snow to create new wind slabs.

Confidence

High

Avalanche Summary

No new avalanches observed or reported.

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

Snowpack Summary

Warm temperatures during the day and refreezing at night have created a crust on the 20 to 25 cm of wet snow that fell at the start of the week. This situation is more or less amplified depending on the slope's orientation to the sun.

This wet snow rests either directly on the ground, or on a refreezing crust that is present at all elevations and on all slopes. With the warmth that accompanied the precipitation, the adhesion of the new snow to the crust is quite good. The wind has greatly redistributed the snow in the alpine region, creating great spatial variability.

The average height of the snowpack is around 100 cm, but is highly variable from sector to sector. Some slopes are back to rock...

Weather Summary

Synopsis: Stable weather until Sunday. Snow is expected from Sunday to Monday.

Friday evening and night: Partly cloudy. Wind northwest 10 to 20 km/h. Low -9.

Saturday: Alternating sun and cloud. Wind northwest 5 to 15 km/h. High -1. Freezing level at 400 m.

Sunday: Snow beginning in the afternoon. Wind increasing from the southeast to 40 to 60 km/h at the end of the day. Maximum 0. Freezing level at 600 m.

Monday: Snow. Total of 10 to 15 cm from Sunday to Monday. Wind veering light northeast. Max -2. Freezing level at 500 m.

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

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Wind slabs may be poorly bonded to the underlying crust.

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.