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Avalanche Forecast

Archived

Feb 26th, 2026–Feb 27th, 2026

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

Regions

South Coast Inland, Birkenhead, Duffey, South Chilcotin, Stein, Taseko.

Dangerous slabs may persist after recent storms. Choose conservative routes and collect observations as you travel.

Confidence

Moderate

  • We are uncertain about how quickly the snowpack will recover and gain strength.

Avalanche Summary

Clear skies on Tuesday showed evidence of Monday's avalanche cycle up to (size 3). A fatal, human-triggered (size 3.5) occurred near the Anniversary Glacier on a wind-loaded, northeast slope in the alpine. Several smaller human-triggered (up to size 1.5) events also occurred at alpine and treeline elevations.

Snowpack Summary

Strong wind has redistributed the 40 cm of snow that fell earlier this week. The recent snow sits over a variety of old snow surfaces, including surface hoar, crusts, and facets. Expect the potential for a poor bond at the storm snow interface.

Up to 100 cm is sitting over the early February crust. That crust is thin and breakable on northerly aspects to 2300 m, but thick on southerly aspects.

A widespread crust and facet layer from late January is buried around 100+ cm deep.

Weather Summary

Thursday Night

Cloudy. 3 to 15 cm of snow. 60 km/h west ridgetop wind. Treeline temperature -6 °C.

Friday

Cloudy. 1 to 4 cm of snow. 60 km/h west ridgetop wind. Treeline temperature -7 °C.

Saturday

Mostly sunny. 1 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1800 m.

Sunday

Sunny. 30 km/h west ridgetop wind. Treeline temperature 1 °C. Freezing level 2300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind-loaded terrain features.
  • If you are increasing your exposure to avalanche terrain, do it gradually as you gather information.
  • Strong wind is building wind slabs farther downslope than usual.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.