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Avalanche Forecast

Archived

Feb 9th, 2026–Feb 10th, 2026

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

Regions

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

Ongoing snow and wind continue to build fresh surface slabs.

Confidence

High

  • We are confident the likelihood of avalanches will increase with the forecast weather.

Avalanche Summary

No new avalanches have been reported.

Observations are limited, so be sure to post yours to the MIN if you get out!

Snowpack Summary

Approximately 10 to 40 cm of recent snow has accumulated since last week. This snow has buried a widespread melt-freeze crust below roughly 1200 m, and a variety of old, firm wind-affected surfaces above.

A crust buried on January 26th is down 50 to 80 cm from the surface. On north through east aspects, a layer of surface hoar may exist atop the crust.

A layer of weak facets from December lingers anywhere from 100 to 300 cm below the surface. It remains a concern in shallow areas of White Pass and inland regions with a thinner snowpack.

Weather Summary

Monday Night
Mostly cloudy. 10 to 15 cm of snow in the White Pass area, and 1 to 5 cm elsewhere. 60 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Tuesday
Cloudy. 5 to 10 cm of snow. 60 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Wednesday
Mostly cloudy. 5 to 10 cm of snow. 70 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Thursday
Mostly cloudy. Up to 5 cm of snow. 30 km/h southeast ridgetop wind. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Choose low-angled, sheltered terrain where new snow hasn't been wind-affected.
  • Avoid areas where the snow feels stiff and/or slabby.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

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.

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.