Avalanche Forecast

Issued: Dec 22nd, 2024 4:00PM

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

Avalanche Canada Avalanche Canada, Avalanche Canada

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Assess for wind slab as you travel into exposed terrain.

Wind slabs may not bond well to the hard surface they will form over.

Summary

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in the region.

Observations have been limited. Please consider sharing your observations through the Mountain Information Network.

Snowpack Summary

By mid day on the 22nd around 15 cm of new snow may have fallen. This new snow will be accompanied by east and south wind forming wind slabs in exposed terrain.

10 to 30 cm of snow sits above a firm, supportive crust that extends up to 1500 m.

The remainder of the snowpack has no layers of concern. Snowpack depths range from about 70 to 180 cm.

Weather Summary

Sunday Night

Mostly cloudy with up to 8 cm of snow. 20 to 40 km/h east ridgetop wind. Treeline temperature -13 °C.

Monday

Cloudy in the morning and clearing late afternoon. 5 to 10 cm of snow. 30 to 60 km/h south ridgetop wind. Treeline temperature rising to -2 °C.

Tuesday

Mostly cloudy with around 5 cm of snow. 30 to 60 km/h south ridgetop wind. Treeline temperature -9 °C.

Wednesday

Cloudy with around 5 cm of snow. 10 to 30 km/h east ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.

Problems

Wind Slabs

An icon showing Wind Slabs

New, reactive wind slabs will likely be found in exposed terrain. Due to the potential for variable wind, wind slabs may be found on all aspects. These new slabs may not bond well to the hard surfaces they are forming over.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Likely

Expected Size

1 - 1.5

Valid until: Dec 23rd, 2024 4:00PM

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