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Archived

Avalanche Forecast

Jan 28th, 2025–Jan 29th, 2025
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Babine, Hudson Bay, Microwave-Sinclair, North Bulkley, South Bulkley, Telkwa.

If you see more than 20 cm of new snow, treat the danger as one level higher.

Storms slabs are more likely with higher snowfall amounts.

Confidence

Moderate

Avalanche Summary

A rider triggered a large (size 2.5) slab avalanche on a southeast alpine slope on Sunday. The slab ranged from 20 to 100 cm deep with wind loading variability. The slab may have released on the persistent weak layer described in the Snowpack Summary. See this MIN for more information.

Snowpack Summary

It's uncertain how much snow will make it inland to the Smithers area. New snow will be coming with strong wind, which will leave deep deposits in lee slopes.

Under the new snow, recent warm temperatures are expected to have created a crust on all aspects, except perhaps treeline and above on northerly slopes.

A weak layer of facets and a crust from early December is buried roughly 50 to 100 cm deep.

Weather Summary

Tuesday Night

Cloudy with 10 cm of snow. 40 to 80 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Wednesday

Cloudy with up to 5 cm of snow. 40 to 60 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Thursday

A mix of sun and cloud with 1 to 2 cm of snow. 15 km/h west then east ridgetop wind. Treeline temperature -10 °C.

Friday

Mostly cloudy with 5 cm of snow. 10 km/h north ridgetop wind. Treeline temperature -12 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Don't let storm day fever lure you into consequential terrain.
  • Avoid freshly wind-loaded terrain features.
  • Start with conservative terrain and watch for signs of instability.

Avalanche Problems

Storm Slabs

New snow may form a storm slab. Watch for signs of instability like shooting cracks,

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2

Persistent Slabs

A buried weak layer from early December may produce avalanches with the weight of the new snow.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 2 - 3