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Avalanche Forecast

Archived

Feb 14th, 2025–Feb 15th, 2025

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

Regions

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

Continuously assess conditions as you move through terrain.

Avoid thin-to-thick areas like rocky outcrops where you're more likely to trigger avalanches on weak layers.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in the past week, but uncertainty remains regarding the early December layer mentioned in the snowpack summary.

Snowpack Summary

Previous strong wind has created variable snow surfaces in exposed terrain on all aspects and elevations. Ongoing cold temperatures have softened the upper snowpack in sheltered terrain.

A weak layer of facets and a crust from early December is buried 60 to 100 cm deep. This layer exists on all aspects up to 1750 m.

At the highway elevation, the snow is 120 cm deep, and in the alpine exceeds 200 cm.

Weather Summary

Friday Night

Clear skies. 20 to 50 km/h east ridgetop wind. Treeline temperature -21 °C.

Saturday

Sunny. 20 to 40 km/h east ridgetop wind. Treeline temperature -19 °C.

Sunday

A mix of sun and cloud. 20 to 30 km/h south ridgetop wind. Treeline temperature -16 °C.

Monday

Partly cloudy with isolated flurries, 1 cm of snow. 30 to 50 km/h south ridgetop wind. Treeline temperature -12 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid shallow snowpack areas, rocky outcrops, and steep terrain where triggering is most likely.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.