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Avalanche Forecast

Archived

Feb 20th, 2025–Feb 21st, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

Microwave-Sinclair, North Bulkley, South Bulkley, South Bulkley, South Bulkley, Telkwa.

Watch for new wind slabs forming throughout the day

The best riding will be in sheltered terrain at lower elevations

Confidence

Moderate

Avalanche Summary

On Sunday, skiers were involved in an avalanche in the East Boulder Creek area north of Smithers. Check out This MIN report for more details.

Snowpack Summary

By Friday morning 5 to 15 cm of recent storm snow may have fallen with moderate southerly wind forming deeper deposits on northerly aspects. This recent snow will overlie a variety of surfaces including soft, faceted snow in sheltered terrain and wind-affected snow in exposed terrain.

In sheltered terrain, 20 to 60 cm of faceted snow is sitting on a crust and possibly surface hoar from late January.

A layer of facets on top of a crust from early December is buried approximately 70 to 110 cm deep. This layer is generally not a concern in this region at this time.

Weather Summary

Thursday Night

Mostly cloudy with 1 to 3 cm of snow. 30 to 60 km/h southerly ridgetop wind. Treeline temperature -2 °C.

Friday

Cloudy with 5 to 10 cm of snow. 20 to 50 km/h southeast ridgetop wind. Treeline temperature -2 °C.

Saturday

Mostly cloudy with up to 10 cm of snow. 20 to 50 km/h south ridgetop wind. Treeline temperature -1 °C.

Sunday

Mostly cloudy with 5 to 10 cm of mixed precipitation. 15 to 30 km/h south ridgetop wind. Freezing level rising to 1700 m.

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.
  • Wind slabs are most reactive during their formation.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.