Avalanche Forecast
Issued: Mar 31st, 2023 2:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
jleblanc,
Avalanche Canada
Be alert to rapidly changing conditions throughout the day.
Increasing winds and moderate snowfalls are expected Saturday afternoon.
Summary
Confidence
Moderate
Avalanche Summary
No new avalanche observations were reported or observed in the last 24 hours.
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Snowpack Summary
Up to 10 cm of new snow has fallen into the Chic-Chocs Thursday night. In the alpine and treeline, these accumulations bond well to a solid underlying crust. Moderate winds from the last 24 hours brought greater accumulation on leeward slopes. Under this snow, a melt-freeze crust overlies 20 cm of denser snow. Below treeline, the rapid settlement of the new snow was promoted by mild temperatures. The mid-snowpack is well consolidated, and of increasing density, interspersed with several melt-freeze crusts from the last few weeks.
Weather Summary
Forecast for the Chic-Chocs ridges and summits.
Synopsis: A vigorous winter-like storm will impact the region by midday Saturday with a strong southerly flow. A cold northwesterly flow will return Sunday, bringing well-below-average cold temperatures. 🥶
Friday evening and night: Clear periods. Light southwesterly winds up to 30 km/h. Low -6 C. Freezing level rising at valley bottom.
Saturday: Cloudy. Snow beginning by midday. Local amount 10-15 cm. Moderate southeasterly winds gusting 45 km/h. High of -2 C. Freezing level rising to 500m.
Sunday: Cloudy. Isolated flurries. Strong northwesterly winds gusting 60 km/h. High of -10 C. Freezing level at valley bottom.
Monday: A mix of sun and clouds. Moderate westerly winds gusting 40 km/h. High of -6 C. Freezing level at valley bottom.
For more details, see the Chic-Chocs alpine forecast.
Terrain and Travel Advice
- Pay attention to the wind, once it starts to blow fresh sensitive wind slabs are likely to form.
- Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
- The best and safest riding will be on slopes that have soft snow without any slab properties.
Problems
Wind Slabs
Increasing winds and unconsolidated snow will likely develop reactive wind slabs in the immediate lee of alpine features and on cross-loaded areas. Be careful on steep, unsupported and/or convex terrain features, where wind slabs are more likely to get triggered.
Aspects: North, North East, East, South East, South.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Apr 1st, 2023 3:00PM
