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Archived

Avalanche Forecast

Mar 11th, 2025–Mar 12th, 2025
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
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
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
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
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
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.

Recent southerly winds have created fresh wind slabs in the alpine. As the temperature gradually warms over the next few days persistent slabs may become more reactive.

Confidence

Moderate

Avalanche Summary

There has been little avalanche activity reported in the previous few days. If you do observe an avalanche, consider posting a MIN.

Snowpack Summary

Light new snow amounts are beginning to bury a widespread layer of surface hoar crystals, which sit over a crust on solar aspects and low elevations.

A layer of facets, surface hoar and/or a crust buried mid February, are 30 to 50 cm below the snow surface and has been reactive in snowpack tests.

Deeper in the snowpack, a weak layer of facets and a crust from early December can be found. This layer appears to be dormant but is still worth keeping in mind in thin snowpack areas in the alpine.

Weather Summary

Tuesday Night

Mostly clear. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -10 °C.

Wednesday

Mostly cloudy with 1 to 2 cm of snow. 20 to 40 km/h east ridgetop wind. Treeline temperature -7 °C.

Thursday

Cloudy with isolated flurries. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Friday

Mix of sun and cloud. 10 to 20 km/h southwest wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Be aware of the potential for large avalanches due to buried weak layers.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

Avalanche Problems

Wind Slabs

Light new snow and southerly winds are keeping wind slabs reactive in lee terrain.

Aspects: North, North East, East, West, North West.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 1.5

Persistent Slabs

A buried weak layer of facets and/or surface hoar buried mid-February is still capable of producing large avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2.5