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Avalanche Forecast

Archived

Jan 4th, 2026–Jan 5th, 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 unlikely, human triggered possible.
Below Treeline
Below Threshold.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Below Threshold.

Regions

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

The lower snowpack remains concerning - best managed by sticking to conservative terrain and minimizing exposure to overhead hazard.

Confidence

Moderate

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

Avalanche Summary

The field team observed several natural wind slab avalanches above Fraser Chutes on Thursday to size 2.5. Read the full report here.

Several avalanches, including a size 2.5 were reported in this MIN from the Tally Ho area, likely triggered last week.

Snowpack Summary

5 cm of new snow adds to 40-65 cm of heavily wind-affected snow. The primary concern remains the 70-100 cm of weak facets that make up the lower snowpack.

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

Weather Summary

Sunday Night
Mostly cloudy. 2 cm of snow. 40-60 km/h southwest ridgetop wind. Treeline temperature -22 °C.

Monday
Mostly cloudy. 4 to 5 cm of snow. 70-90 km/h south/southwest ridgetop wind. Treeline temperature -16 °C.

Tuesday
Mostly cloudy. 10 to 15 cm of snow. 40-60 km/h southwest ridgetop wind. Treeline temperature -9 °C.

Wednesday
Mix of sun and clouds. 2 to 10 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -9 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • 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.