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Avalanche Forecast

Archived

Nov 27th, 2024–Nov 28th, 2024

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.

Regions

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

Evaluate steep lines carefully for wind slabs before committing.

The best riding will be found on sheltered terrain features.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported.

Early season observations are very limited. Share your observations with forecasters and the backcountry community through the Mountain Information Network.

Snowpack Summary

Up to 15 centimeters of snow covers a mix of old surfaces, including hard wind-affected snow, soft faceted snow, and surface hoar. The snowpack is generally strong, with some crusts near the base.

Snow depths vary significantly across the region, with about 50 cm at treeline and up to 100 cm in alpine areas.

Weather Summary

Wednesday Night

Mostly cloudy with up to 3 cm of snow expected. 15 to 30 km/h northeast ridgetop wind. Treeline temperature -15 °C

Thursday

A mix of sun and cloud with trace amounts of snow possible. 15 to 30 km/h northeast ridgetop wind. Treeline temperature -16°C.

Friday

A mix of sun and cloud with trace amounts of snow possible. 20 to 40 km/h northeast ridgetop wind. Treeline temperature -20°C.

Saturday

Mostly sunny with no snow expected. 15 to 25 km/h northeast ridgetop wind. Treeline temperature -24°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for slabs before you commit to it.
  • Watch for areas of hard wind slab on alpine features.

Problems

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.