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Archived

Avalanche Forecast

Dec 18th, 2023–Dec 19th, 2023
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Chic-Chocs.

Your observations are important! If you head out on the field Tuesday, make sure to fill in a MIN to share your findings with us.

Confidence

Low

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 [email protected] or via the Mountain Information Network.

Snowpack Summary

As a result of the rain, the snowpack has reduced considerably. In the alpine and at treeline, the lees previously loaded by the typical winds from the north, and area of pressed snow may have been a little less affected. In exposed areas and below the treeline, several spots are uncovered, and we suspect that complete areas are now back to the ground. Generally speaking, at all altitudes, the top of the snowpack is wet snow.

Temperatures should drop below zero by midday, creating a crust on the surface. Previously buried natural obstacles are now exposed, so don't rely on observations from your last day out.

Weather Summary

Synopsis: The major system affecting us will continue its path towards Labrador overnight, putting an end to precipitation.

Monday evening and night: Cloudy. Rain. Southerly winds up to 150 km/h. 8C. Freezing level 3,000m.

Tuesday: Cloudy. Rain ceasing in the morning. South winds from 55 to 65 km/h. Temperature dropping below zero in pm.

Wednesday: Sunny. Trace of snow. Winds from the west from 40 to 45 km/h. -6C.

Thursday: Alternating sun and cloud. 2 to 4 cm of snow. North winds from 60 to 75 km/h. -18C.

Terrain and Travel Advice

  • Avoid shallow snowpack areas, rock outcroppings and steep convex terrain where triggering is most likely.
  • Watch for unstable snow on specific terrain features, especially when the snow is moist or wet.

Avalanche Problems

Loose Wet

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5

Wet Slabs

The rain may have weakened the layer of facetted grains on the December 11 crust. The addition of a skier's weight could trigger a fracture in this layer.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 2.5