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Avalanche Forecast

Archived

Feb 27th, 2026–Feb 28th, 2026

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.
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, Haines Pass, Chilkat Pass.

Carefully assess for wind slab as you travel.

Wind slab may exist on all aspects and elevations due to variable strong wind over the past few days.

Confidence

Low

  • We are uncertain due to the variability of wind effect on the snowpack.
  • We are uncertain due to a limited number of field observations.

Avalanche Summary

No recent avalanches have been reported.

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 previous storm snow has been variably distributed, wind loading and scouring could be found on any aspect. This snow overlies old wind pressed snow and facets.

A layer of facets or a crust, from mid February,  may be found down 20 to 60 cm. This layer is more prominent at Haines Pass.

The late January crust is buried 50 to 100 cm deep. Below 1350 m. Surface hoar may linger above this layer on sheltered north to east aspects. This layer is more prominent on the inland side of the White Pass.

Facets or depth hoar exist at the base of the snowpack and may be a concern in the inland side of the region where the snowpack is shallower.

Weather Summary

Friday Night
Partly cloudy. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -20 °C.

Saturday
Mix of sun and clouds. 1 cm of snow. 25 to 45 km/h west ridgetop wind. Treeline temperature -18 °C.

Sunday
Mostly sunny. 1 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -24 °C.

Monday
Sunny. 10 km/h southeast ridgetop wind. Treeline temperature -26 °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.