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Avalanche Forecast

Archived

Feb 22nd, 2025–Feb 23rd, 2025

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

Regions

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

Practice good travel habits and enjoy good riding, especially in shady, sheltered areas.

Verify conditions in areas with a shallow snowpack.

Confidence

High

Avalanche Summary

A few small loose dry avalanches were observed or triggered in steep, north-facing terrain on Friday.

No persistent slab avalanches have been reported since early February.

If you are traveling in the mountains consider posting to the MIN.

Snowpack Summary

Moderate southerly winds are redistributing 10 to 15 cm of new snow.

This overlies firm wind-affected surfaces in exposed areas or softer, faceted surfaces in sheltered terrain.

A weak layer of facets and a crust from early December is buried 60 to 100 cm deep. This layer exists on all aspects up to 1750 m. This layer has not been active in producing avalanches or test results in several weeks, meaning it is generally not a concern at this time.

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

Weather Summary

Saturday Night

Cloudy with 2 cm of snow. 10 to 20 km/h south ridgetop wind. Treeline temperature - 6 °C.

Sunday

Mainly cloudy with 2 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Monday

Mainly cloudy with 2 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Tuesday

Mainly cloudy with 2 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

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.