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Avalanche Forecast

Archived

Feb 26th, 2026–Feb 27th, 2026

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.
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.

Carefully assess for wind slab as you travel.

Wind slab may exist on all aspects but the largest and most reactive are likely on north and east facing terrain.

Confidence

Moderate

  • We are uncertain due to the variability of wind effect on the snowpack.

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 30 cm of recent storm snow has been variably distributed now that the winds have shifted to come from the northeast. Wind loading and scouring could be found on any aspect.

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.

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

Thursday Night
Mostly clear skies. 10 to 30 km/h east ridgetop wind. Treeline temperature -27 °C.

Friday
Sunny. 20 to 40 km/h west ridgetop wind. Treeline temperature -27 °C.

Saturday
Mix of sun and clouds. 1 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -21 °C.

Sunday
Mix of sun and clouds. 20 km/h southwest ridgetop wind. Treeline temperature -23 °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.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.

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.