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Avalanche Forecast

Archived

Jan 4th, 2024–Jan 5th, 2024

Alpine
Natural avalanches unlikely.
Treeline
Below Threshold.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Below Threshold.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Below Threshold.
Below Treeline
Below Threshold.

Regions

Chic-Choc Mountains.

One day follows another. The height of the snowpack is very low and barely covers the natural obstacles, making it dangerous to practice alpine sliding sports. Higher up, in the alpine, there's a problem of windslabs in places where there's enough snow to ski. We suggest patience and caution.

Confidence

Moderate

Avalanche Summary

2 slab avalanches triggered by skiers have been reported on social media in the last 48h. From the information we've been able to gather, the avalanches appear to have taken place on Mont Albert, on south and southeast facing slopes. They appear to be 1.5 in size, 20 to 40 cm deep, around 50 m wide and between 50 and 100 m long. They appear to be windslabs that slid over the New Year's Day crust. If you have any further information, please do not hesitate to contact us.

Please share your observations at [email protected] or via the Mountain Information Network.

Snowpack Summary

Between 10 and 25 cm of snow rests on the New Year's crust (the crusty surface left by December's rain). There seems to be more new snow in the south of the forecast area and at higher altitudes. Snow cover remains minimal, however, and in several places the snowpack is below the critical threshold for producing avalanches. Snowpack heights vary between 10 and 60 cm.

Weather Summary

Synopsis: A cold front followed by a high-pressure system will settle over the Gaspé Peninsula in the next few days. We'll be treated to cold temperatures and sunshine.

Thursday evening and night: Cloudy. 2 to 4 cm of snow. Wind 30 to 50 km/h from the northwest. Minimum -18C.

Friday: Alternating sun and clouds. 1 to 2 cm of snow. Wind northwest, 30 to 40 km/h. Maximum -17C.

Saturday: Sunny. 1 to 2 cm of snow. Wind northwest 30 to 40 km/h. Maximum -17C.

Sunday: Sunny. Wind northeast 10 to 20 km/h. Maximum -9C.

Terrain and Travel Advice

  • Wind slabs may be poorly bonded to the underlying crust.
  • Wind slabs are most reactive during their formation.
  • Expect shallow snow cover that barely covers ground roughness.

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.