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Archived

Avalanche Forecast

Jan 20th, 2025–Jan 21st, 2025
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
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
1: Low
The avalanche danger rating at treeline will be low
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
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Babine, Hudson Bay, North Bulkley, South Bulkley, Telkwa.

Avalanche activity has decreased, but reactivity may remain in wind-affected areas.

Seek out sheltered terrain if winds are moving snow and forming fresh slabs.

Confidence

Low

Avalanche Summary

Avalanche activity appears to have tapered since the storm with wind and persistent slabs observed through to Saturday. Activity primarily occurred on north through east aspects at alpine elevations.

This size 2 rider triggered avalanche occurred on an east facing alpine slope. Notably, the avalanche was triggered as a wind slab and stepped down to the buried weak layer. Photo below.

Snowpack Summary

20 cm of recent storm snow has been heavily wind affected in exposed areas. A crust exists below 1250 m, making for challenging travel conditions.

Check out this MIN for a conditions update near Smithers.

A weak layer of facets and a crust is buried 50 to 100 cm deep. This has shown recent reactivity with the new load from wind and snow. Reactivity moving forward is uncertain.

Weather Summary

Monday Night

Increasing cloud with flurries. 40 to 50 km/h northwest ridgetop wind. Treeline temperature -6 °C.

Tuesday

A mix of sun and cloud. 30 to 40 km/h northwest ridgetop wind. Treeline temperature -6 °C.

Wednesday

Cloudy with 5 cm of snow. 40 to 50 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Thursday

Cloudy with 5 cm of snow. 40 to 50 km/h west ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

Avalanche Problems

Wind Slabs

Expect stiffer and deeper deposits of snow on northeast and southeast facing slopes. Watch for steep convex rollovers, ridgetop entrances, and cross loaded features.

Aspects: North, North East, East, South East.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Persistent Slabs

A widespread crust with facets is buried 50 to 100 cm deep. Wind slabs may step down to this layer, producing large avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 3