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Avalanche Forecast

Archived

Jan 19th, 2023–Jan 20th, 2023

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

Not much new snow received but the wind has picked up and will continue on Friday.

Keep in mind that travel will remain difficult and that the crust can provide an excellent sliding surface for avalanches.

Confidence

Moderate

Avalanche Summary

No new avalanches have been observed or reported.

More and more relevant information is shared by users with the Mountain Information Network. Thank you for contributing to the collection of this valuable data! You can also continue to write to us at [email protected].

Snowpack Summary

A little more than 5 cm of snow was received on Thursday which was moved by the northwest wind. The wind salbs up to 20 cm thick that have formed at the treeline seem to us to be not very reactive even if they are resting on the rain crust of January 18 which is supportive. As for those in the alpine, as we have no recent observations, we can only assume that they are thicker and possibly less well welded to the crust which is more icy at altitude. Below the tree line, the new snow greatly reduces the sensation of skiing on glass.

It goes without saying that travel in the alpine and on steep terrain will be perilous. The snowpack is still thin and the consequences of slipping on these icy surfaces could be fatal. Spatial variability is important, from rock to ice to areas of greater accumulation.

Weather Summary

Forecast for the Chic-Chocs ridges and summits.

Thursday evening and night: Cloudy. Traces to 1 cm of snow. Wind northeast 20 to 40 kph. Low -14.

Friday: Cloudy periods. Traces of snow. Wind northeast 20 to 40 km/h. High -10.

Saturday: Cloudy periods. Traces of snow. Light northwest wind. High -9.

Sunday: Cloudy periods. Light southwest wind. Traces of snow. High -9.

Terrain and Travel Advice

  • Avoid lee and cross-loaded terrain.
  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.

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.