Avalanche Forecast

Issued: Dec 12th, 2023 2:30PM

The alpine rating is low, the treeline rating is low, and the below treeline rating is below threshold. Known problems include Wind Slabs.

Avalanche Canada bwillard, Avalanche Canada

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In the end, the storm left 10 to 15 cm of snow on the mountains, with a new crust and wind slabs on the north-east to south-facing slopes.

Summary

Confidence

Moderate

Avalanche Summary

Early season, observations are limited. Thanks for sharing your observation through the Mountain Information Network if you head out.

No new avalanches have been observed or reported. Please share your observations at bulletin@avalanchequebec.ca or via the Mountain Information Network.

Snowpack Summary

We have 15 cm of snow covering a new crust that formed during the storm, which we call the December 11 crust. The November 28 crust is about 25 cm deep. The height of the snow cover varies from 30 to 70 cm depending on altitude. Conditions below treeline are still very marginal.

Weather Summary

Synopsis: Temperatures will fluctuate between -5 and -15 over the next few days, with moderate winds from the west. By the weekend, we could receive close to 15 cm of snow.

Tuesday evening and night: Cloudy. 2 to 4 cm of snow. Moderate southwesterly wind, 20 to 40 km/h. High -5. Low -10.

Wednesday: Cloudy with sunny spells. 5 to 7 cm of snow. Moderate west wind, 20 to 40 km/h. High -5. Low -15.

Thursday: Alternating sun and cloud. 2 to 4 cm of snow. Moderate westerly wind, 30 to 40 km/h. High -10.

Friday: Alternating sun and cloud. Moderate westerly wind. High -3.

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Avoid areas where the snow feels stiff and/or slabby.

Problems

Wind Slabs

An icon showing Wind Slabs

The wind loaded the leeward aspects far down the slopes. Evaluate carefully before venturing out.

Aspects: North East, East, South East, South.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 1.5

Valid until: Dec 13th, 2023 3:00PM