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Avalanche Forecast

Archived

Mar 5th, 2026–Mar 6th, 2026

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

Reactive wind slabs are forming in areas affected by strong south winds.
Choose terrain sheltered from the wind for the safest riding conditions.

Confidence

Moderate

  • We are uncertain due to a limited number of field observations.
  • We are uncertain about how the timing or intensity of warming will affect the snowpack.

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

Snow surfaces have been heavily affected by variable winds, resulting in hard surfaces, with wind loading or scouring found on most aspects. Pockets of wind slab have formed atop older wind-pressed snow and/or facets.

A mid-February crust or facet layer sits 20 to 60 cm deep, and is more prominent on north aspects in White pass and can found on all aspects in the Haines pass. The late January crust is buried 50 to 100 cm deep below 1350 m, with surface hoar above on sheltered north to east aspects.

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 generally shallower.

Weather Summary

Thursday Night
Mostly cloudy. 1 to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Friday
Cloudy. 10 to 15 cm of snow. 60 km/h south ridgetop wind. Treeline temperature -4 °C. Expect snowfall totals to be greater in western sections of the forecast region.

Saturday
Mostly cloudy. 5 cm of snow. 60 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Sunday
Mix of sun and clouds. 2 to 4 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -8 °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.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • Approach lee and cross-loaded slopes with caution.

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.