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Avalanche Forecast

Archived

Mar 12th, 2026–Mar 13th, 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.
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.

Human triggered wind slabs remain possible.

Look and feel for signs of instability and identify wind slabs. Listen for drum-like or hollow-sounding snow.

Confidence

High

  • We are uncertain about alpine conditions due to limited field observations.

Avalanche Summary

No new avalanches reported.

Going forward, wind slabs remain possible to human trigger and may be found on atypical slopes.

Snowpack Summary

Heavily wind affected surfaces in all open terrain features at all elevations. Recent north winds developed wind slabs on atypical south slopes due to reverse-loading.

A mid-February crust or facet layer sits 50 to 70 cm deep, and the late January crust/surface hoar layer is buried 50 to 100 cm deep.

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
Clear skies. 20 km/h east ridgetop wind. Treeline temperature -23 °C.

Friday
Sunny. 10 km/h northeast ridgetop wind. Treeline temperature -22 °C.

Saturday
Mostly sunny. 20 km/h west ridgetop wind. Treeline temperature -20 °C.

Sunday
Mix of sun and clouds. 2 to 3 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -15 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for areas of hard wind slab on alpine features.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • 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.