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Avalanche Forecast

Archived

Jan 2nd, 2024–Jan 3rd, 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, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.

Regions

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

Carefully assess open slopes for wind slab. Wind slabs may remain sensitive to rider traffic.

Confidence

Moderate

Avalanche Summary

There was a report of a size 2 storm or wind slab avalanche off of Fraser Peak on Saturday. See this MIN post for more details. Since then only small dry loose avalanches have been reported.

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

Snowpack Summary

Check out this great MIN from Monday.

5 to 20 cm of soft snow can be found in sheltered locations. At lower elevations this could rest on a layer of small facets over a crust. South facing terrain is generally scoured.

The mid and lower snowpack is reported to be well settled, with a thick, well-bonded crust approximately 30 to 50 cm above the ground at elevations below 1200 m. Snow depth ranges from 80 to 200 cm across the region.

Weather Summary

Tuesday Night

Mostly cloudy with trace amounts of new snow expected, south alpine wind 10 to 20 km/h, treeline temperature -13°C.

Wednesday

Mostly cloudy with 5 cm of new snow expected, northeast alpine wind 10 to 20 km/h, treeline temperature -13°C.

Thursday

Mostly cloudy with 5 cm of new snow expected, south alpine wind 20 to 40 km/h, treeline temperature -13°C.

Friday

Mostly cloudy with trace amounts of new snow expected, south alpine wind 10 to 20 km/h, treeline temperature -6°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.

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.