Avalanche Forecast

Issued: Nov 27th, 2024 4:00PM

The alpine rating is considerable, the treeline rating is considerable, and the below treeline rating is low. Known problems include Storm Slabs.

Avalanche Canada Avalanche Canada, Avalanche Canada

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Carefully assess slopes for slab properties.

Storm slab size and sensitivity will likely increase throughout the day.

Summary

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported since the weekend, but reports have been limited. Please consider submitting your observations to the Mountain Information Network.

Snowpack Summary

By the morning of November 28th up to 15 cm could overlie variable snow surfaces, including small facets and/or surface hoar in sheltered areas and heavily wind-affected snow in exposed terrain.

A rain crust from early November is buried 40 to 90 cm deep and seems to be bonding well to overlying layers.

Alpine snow depths vary across the region, with up to 130 cm west of Smithers and around 60 cm to the east.

Weather Summary

Wednesday Night

Cloudy with up to 10 cm of snow expected. 25 to 50 km/h southwest ridgetop wind. Treeline temperature -7°C.

Thursday

Cloudy with up to 10 cm of snow expected. 25 to 50 km/h southwest ridgetop wind. Treeline temperature -5°C.

Friday

Cloudy  with up to 20 cm of snow expected by mid morning. 25 to 40 km/h southwest ridgetop wind. Treeline temperature -7°C.

Saturday

Cloudy with up to 20 cm of snow possible. 40 to 70 km/h southwest ridgetop wind. Treeline temperature -1°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Closely monitor how the new snow is bonding to the old surface.

Problems

Storm Slabs

An icon showing Storm Slabs

Expect the largest, most reactive slabs in exposed terrain on north and east aspects, while sheltered areas may see slabs forming on a weak layer of surface hoar or facets.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Likely

Expected Size

1 - 2

Valid until: Nov 28th, 2024 4:00PM

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