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Avalanche Forecast

Archived

Mar 1st, 2026–Mar 2nd, 2026

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

Regions

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

Stubborn wind slabs may linger from recent strong winds.

Seek out very sheltered terrain features for the best chance of good riding conditions.

Confidence

Moderate

  • 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

Recent reports have been limited to size 1 wind slabs.

Observations in this region are limited. Please post any photos or observations to the MIN if you head out.

Snowpack Summary

Recent snowfall has been redistributed by variable winds into hard surfaces, with wind loading and scouring found on most aspects. This overlies older wind pressed snow and facets.

A mid-February crust or facet layer sits 20–60 cm deep, most notable around Haines Pass. The late January crust is buried 50–100 cm deep below 1350 m, with surface hoar above on sheltered north to east aspects. This layer is most pronounced in the inland areas of 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

Sunday Night
Clear skies. 10 km/h northwest ridgetop wind. Treeline temperature -26 °C.

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

Tuesday
Mix of sun and clouds. 1 to 2 cm of snow. 20 km/h southeast ridgetop wind. Treeline temperature -26 °C.

Wednesday
Mostly cloudy. 2 to 5 cm of snow. 30 km/h south ridgetop wind. Treeline temperature -20 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Recent strong wind means wind slabs may be found farther downslope than expected.
  • Avoid freshly wind-loaded terrain features.

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.