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Avalanche Forecast

Archived

Jan 3rd, 2026–Jan 4th, 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.

A buried weak layer is scary deep and yet shallow enough to trigger.

Choose conservative terrain and look for signs of instability as you're moving through it.

Confidence

Moderate

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

Avalanche Summary

The field team saw several natural wind slab avalanches above Fraser Chutes on Thursday. Up to size 2.5 in size (large). Read the full report here.

Snowpack Summary

Moderate to strong wind has redistributed 40-65 cm of 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

Saturday Night
Partly cloudy. 10 km/h east ridgetop wind. Treeline temperature -25 °C.

Sunday
Mix of sun and clouds. 10 km/h south ridgetop wind. Treeline temperature -24 °C.

Monday
Mostly cloudy. 2 to 5 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -18 °C.

Tuesday
Mostly cloudy. Up to 10 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -9 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.
  • Avoid slopes that sound hollow or drum-like.
  • Avoid exposure to overhead avalanche terrain; avalanches may run surprisingly far.
  • 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.