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Avalanche Forecast

Archived

Feb 21st, 2025–Feb 22nd, 2025

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

Regions

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

The softest snow and lowest avalanche danger will be in terrain sheltered from the wind.

Confidence

High

Avalanche Summary

No new avalanches have been reported since last Sunday.

Snowpack Summary

A few lightly stormy days have given the surface a bit of a soft refresh. Moderate southerly wind has likely formed 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.

A thick layer of faceted snow sits over a crust and possibly surface hoar buried in late January. This layer has the potential to be very close to the surface, or over 50 cm deep.

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

Friday Night

Cloudy with up to 5 cm of snow above 1000 m, light rain below. 35 to 45 km/h south or southwest ridgetop wind. Treeline temperature -1 °C.

Saturday

Mostly cloudy with up to 5 cm of snow above 1250 m, light rain below. 35 to 55 km/h south ridgetop wind. Treeline temperature 0 °C.

Sunday

Partly cloudy with 5 to 10 cm of snow above 1000 m, rain below. 35 to 55 km/h southwest ridgetop wind. Treeline temperature around 0 °C.

Monday

Mostly cloudy with very light rain/snow. 25 to 45 km/h ridgetop wind. Freezing level at valley bottom overnight, rising to 1300 m through the day.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

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.