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Avalanche Forecast

Archived

Feb 2nd, 2026–Feb 3rd, 2026

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

Duffey, South Chilcotin, Stein, Taseko.

Watch for active wind transport of snow. Fresh wind slabs may be reactive to human triggers.

Monitor changing conditions as you gain elevation and shift aspect.

Confidence

Moderate

  • We are uncertain due to a limited number of field observations.
  • We are uncertain due to variable freezing levels.

Avalanche Summary

Over the weekend, there were several large slab avalanches reported in the Duffey Lake area during the precipitation and warm temperatures.

Natural avalanche activity has tapered, but wind slabs may remain reactive to human triggering.

Snowpack Summary

Roughly 20 cm of new snow above 1800 m has buried an older, wind-affected surface.

Beneath the most recent new snow is a crust with properties that are aspect and elevation dependent, and combined with facets at treeline and above, and surface hoar in sheltered areas.

The mid to lower snowpack is generally well settled and strong. Snowpack depth ranges from 150 to 250 cm at treeline elevations.

Cornices are reported to be large and looming. Be mindful of them overhead and when travelling on ridge tops.

Weather Summary

Monday Night
Mostly cloudy. 30 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1600 m.

Tuesday
Mostly cloudy. 50 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2000 m.

Wednesday
Mix of sun and clouds. 1 to 2 mm of rain at treeline. 90 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2500 m.

Thursday
Sunny. 70 km/h southwest ridgetop wind. Treeline temperature 4 °C. Freezing level 2800 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.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.

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.