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Avalanche Forecast

Archived

Jan 1st, 2026–Jan 2nd, 2026

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

Regions

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

Choose small terrain features, as large avalanches are possible for riders to trigger.

Wind slabs could step down to a buried weak layer.

Confidence

Low

  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

On Monday, several natural avalanches up to size 3 were observed from the road in White Pass. Check out this MIN report for more details.

No other avalanches have been reported, however, observations are limited.

Snowpack Summary

Moderate to strong wind continues to redistribute 40-65 cm of recent storm snow over a very suspect, heavily wind-affected, and faceted snowpack. The bottom 70-100 cm of the snowpack consists of facets.

Snowpack depths vary widely due to wind, but average around 150 cm across the region.

Weather Summary

Thursday Night
Partly cloudy. 1 cm of snow. 20 km/h southeast ridgetop wind. Treeline temperature -24 °C.

Friday
Mostly cloudy. 1 cm of snow. 20 km/h southeast ridgetop wind. Treeline temperature -25 °C.

Saturday
Mostly cloudy. 2 cm of snow. 10 km/h east ridgetop wind. Treeline temperature -24 °C.

Sunday
Mostly cloudy. 1 cm of snow. 10 km/h east ridgetop wind. Treeline temperature -25 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid slopes that sound hollow or drum-like.
  • Avoid exposure to overhead avalanche terrain; avalanches may run surprisingly far.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.

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.