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Avalanche Forecast

Archived

Jan 4th, 2024–Jan 5th, 2024

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.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.

Regions

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

Generally good riding conditions exist. Use caution in steep, lee terrain features where wind slabs may be found.

Confidence

High

Avalanche Summary

We haven't received any recent reports of avalanches. Looking forward, it remains possible for riders to trigger wind slabs in steep, lee terrain features at high elevations.

If you head into the backcountry please consider submitting your observations to the Mountain Information Network.

Snowpack Summary

5 to 10 cm of new snow overlies hard surfaces. This new snow may be redistributed into wind slabs at higher elevations from southwest wind.

The mid and lower snowpack is generally strong. A thick, well-bonded melt-freeze crust is approximately 30 to 50 cm above the ground at elevations below 1200 m.

Snowpack depths range from 80 to 200 cm across the region and vary locally from wind distribution.

Weather Summary

Thursday Night

Cloudy with 5 cm snow, southwest alpine wind 20 to 40 km/h, treeline temperature -7 °C.

Friday

Mix of sun and cloud with no precipitation, west alpine wind 10 km/h, treeline temperature -9 °C.

Saturday

Mostly clear skies with no precipitation, northwest alpine wind 10 km/h, treeline temperature -12 °C.

Sunday

Increasing clouds with trace snow, south alpine wind 20 to 40 km/h, treeline temperature -15 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.

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.