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Avalanche Forecast

Archived

Feb 25th, 2026–Feb 26th, 2026

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

Regions

Yukon, Tutshi, Wheaton, White Pass East, White Pass West.

Avoid wind loaded features.

Wind slabs are expected to be poorly bonded to the underlying layers, human triggering is likely.

Confidence

Moderate

  • We have a good understanding of the snowpack structure and confidence in the weather forecast.

Avalanche Summary

On Monday and Tuesday, explosive control work produced size 2 wind slabs with evidence of a previous natural cycle on reverse loaded features.

Reports in this region are limited, please post any photos or observations to the MIN if you head out.

Snowpack Summary

Up to 20 cm of recent snow, accompanied by southwest wind, has formed deep deposits on north and east aspects. This new snow sits over firm, wind affected snow and facets. On windward aspects alpine terrain could be scoured back to a crust.

The January 26                crust is buried 50 to 100 cm deep below 1350 m. Surface hoar may linger above this layer on sheltered north to east aspects. Human triggering is considered unlikely.

Facets or depth hoar exists at the base of the snowpack and may be a concern in areas with a shallow snowpack, such as inland terrain.

Weather Summary

Wednesday Night
Mostly cloudy. 5 cm of snow. 25 to 40 km/h southwest ridgetop wind switching to 20 km/h northeast after midnight. Treeline temperature -18°C.

Thursday
Mix of sun and clouds. 10 km/h northeast ridgetop wind. Treeline temperature -23 °C.

Friday
Mix of sun and clouds. 20 km/h west ridgetop wind. Treeline temperature -23 °C.

Saturday
Mix of sun and clouds. 1 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -18 °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.
  • Recent strong wind means wind slabs may be found farther downslope than expected.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.

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.