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Avalanche Forecast

Archived

Feb 6th, 2025–Feb 7th, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
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.
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.

Use caution in areas where the snowpack transitions from thick to thin, especially near ridge crests.

Soft snow can be found in sheltered terrain features.

Confidence

Moderate

Avalanche Summary

There have been no new persistent slab avalanches reported in the past 3 days, but uncertainty remains regarding the early December layer mentioned in the snowpack summary.

Snowpack Summary

Moderate outflow(northeast) wind has impacted the snow surface forming wind slab on south and west aspects while scouring and pressing other aspects.

A weak layer of facets and a crust from early December is buried 70 to 100 cm deep. This layer exists on all aspects up to around 1700 m.

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

Check out our field team’s Latest MIN report for more details.

Weather Summary

Thursday Night

Partly cloudy with trace amounts of snow possible. 15 to 30 km/h northeast ridgetop wind. Treeline temperature -23 °C, potential for temperature inversion with warmer temperatures in the alpine.

Friday

Mostly sunny. 10 to 20 km/h variable ridgetop wind. Treeline temperature -19 °C, potential for temperature inversion with warmer temperatures in the alpine.

Saturday

Sunny. 15 to 30 km/h northeast ridgetop wind. Treeline temperature -20 °C, potential for temperature inversion with warmer temperatures in the alpine.

Sunday

Sunny. 20 to 40 km/h northeast ridgetop wind. Treeline temperature -20 °C, potential for temperature inversion with warmer temperatures in the alpine.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.
  • Be careful as you transition into wind-affected terrain.

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.