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Avalanche Forecast

Archived

Mar 9th, 2025–Mar 10th, 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, human triggered possible.
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.

The avalanche problem is isolated, so stay alert to avoid surprises.

Pay particular attention to the start zones and cross loaded features.

Confidence

Low

Avalanche Summary

Two avalanches up to size 1.5 were accidentally triggered by users. These occurred on Hog's Back, on the eastern side at tree line.

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

Snowpack Summary

Strong to extreme west to northwest winds have done their thing. In wind-exposed areas, northwest to southwest aspects are scoured down to the crust, while the northeast to south aspects show little accumulation (except for the start zones and cross loaded features). Below treeline, 5 to 25 cm of low-density snow overlie the crust, which generally supports the weight of a user.

The snowpack is wet under this crust. It rests on a layer of facets that tends to round out. The height of the snowpack varies between 100 cm and 200 cm.

Weather Summary

WEATHER FOR THE CRESTS AND SUMMITS OF CHIC-CHOCS

Sunday evening and night: Mostly cloudy. 2 to 5 cm of snow. Northwest winds from 50 to 60 km/h. -12C.

Monday: Clearing. Trace of snow. Northwest winds from 25 to 35 km/h. -15C.

Tuesday: Cloudy in pm. 5 to 10 cm of snow, turning to rain in the evening. Southwest winds from 60 to 80 km/h. -7C with warming in late pm.

Wednesday: End of precipitation in AM. Northwest winds from 50 to 60 km/h. -23C.

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

Terrain and Travel Advice

  • Pay attention to isolated wind affected features in the alpine, as well as cross-loaded features at treeline.
  • Wind slabs are isolated, but may remain reactive.

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.