Avalanche Forecast

Moderate

A natural wind slab avalanche size 1 have been reported on Wednesday on the south facing slope of Mur de la Mine in Murdochville.

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Thursday's storm added 25 to 30 cm of new snow, for a total of about 30 to 40 cm above the January 18 ice crust. The storm snow was moved extensively by the moderate to strong winds, first from the east and then from the west, forming wind slabs up to 30 to 50 cm thick.

Under the January 18 crust, there are 15 to 20 cm of snow, generally well settled, which covers facets resulting from the decomposition of the January 2 melt-freeze crust. This interface sits on a mix of laminated crusts and facets at the base of the snowpack.

In general, the height of the snowpack ranges from 100 à 150 cm.

A passing cold front will bring increasing cloud cover followed by a few flurries beginning early Saturday afternoon. Sunshine and cooler temperatures are expected for Sunday.

Friday evening and night: Mostly clear, northwesterly winds 10 to 20 km/h, minimum -20 C, freezing level at valley bottom.

Saturday: Increasing cloudiness and flurries beginning early in the afternoon, 2-3 cm, southerly winds 30 to 50 km/h, maximum -6 C, freezing level at valley bottom.

Sunday: A mix of sun and cloud in the morning, becoming cloudy in the afternoon and flurries at the end of the day, 3-5 cm, westerly winds 20 to 30 km/h, maximum -11 C, freezing level at valley bottom.

Monday: A mix of sun and cloud, northwesterly winds 10 to 20 km/h, maximum -11 C, freezing level at valley bottom.

• Approach lee and cross-loaded slopes with caution.
• Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
• Seek out wind sheltered terrain below treeline where you can avoid wind slabs and find great riding.