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Avalanche Forecast

Archived

Feb 28th, 2026–Mar 1st, 2026

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.
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, Telkwa.

Large wind slabs are possible with buried weak layers showing reactivity in wind affected terrain.

Stick to conservative, low consequence terrain features while uncertainty is high.

Confidence

Moderate

  • We are uncertain due to how buried persistent weak layers will react with the forecast weather.

Avalanche Summary

Our field team has observed natural wind slab avalanches up to size 2.5 on northeast aspects over the past couple days. These avalanches have run far and in some cases features have reloaded and avalanched a second time.
Please post any photos or observations to the MIN if you head out.

Snowpack Summary

Up to 30 cm of recent snow can be found, with strong winds forming deeper deposits on north and east facing slopes. Windward slopes may be scoured back to an old crust.

Two prominent layers exist in the snowpack. A layer of facets from early February, around 40 cm deep. A thick crust from late January, 50-100 cm deep. Both of these layers are a concern in wind affected terrain.

The remainder of the snowpack is well settled.

Weather Summary

Saturday Night
Mostly cloudy. 60 km/h west ridgetop wind. Treeline temperature -7 °C.

Sunday
Mostly cloudy. 70 km/h west ridgetop wind. Treeline temperature -5 °C.

Monday
Mix of sun and clouds. 1 to 4 cm of snow. 60 km/h west ridgetop wind. Treeline temperature -2 °C.

Tuesday
Mostly cloudy. 3 to 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -1 °C.

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.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Be aware of the potential for large avalanches due to buried weak layers.

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.