Avalanche Forecast

Issued: Feb 20th, 2023 4:00PM

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

Avalanche Canada mbender, Avalanche Canada

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Updated on Tuesday at 6:30 AM. Watch for heightened avalanche conditions at upper elevations where unstable slabs may be found on wind-loaded slopes.

Summary

Confidence

Moderate

Avalanche Summary

On Saturday, a few size1 windslabs avalanches were triggered during travel on skis. These windslabs were located on north aspect terrain near 1600 m elevation.

Snowpack Summary

New snow from the past several days has accumulated over a variety of old surfaces including wind slabs in the alpine and a breakable freezing rain crust between 1100 m and 1600 m.

The mid and lower snowpack is well-settled, strong, and consolidated.

Snowpack depths are reaching 250 cm at treeline.

Weather Summary

Monday Night

Cloudy with light snowfall, accumulation 5-20cm. Higher amounts possible on the eastern end of the region. Wind moderate to strong northwest. Treeline temperature 0 °C. Freezing level 1400 m.

Tuesday

Clearing with isolated flurries, accumulation 1-3cm. Wind light to moderate north. Treeline temperature -5 °C. Freezing level 400 m.

Wednesday

Mainly cloudy. Wind moderate northeast. Treeline temperature -12 °C.

Thursday

Mix of sun and cloud. Wind moderate northeast wind. Treeline temperature -11 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Wind slabs are most reactive during their formation.

Problems

Wind Slabs

An icon showing Wind Slabs

Recent snowfall combined with wind switching direction is promoting the formation of new wind slabs on a variety of aspects.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Likely

Expected Size

1 - 2

Valid until: Feb 21st, 2023 4:00PM