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Avalanche Forecast

Archived

Jan 13th, 2025–Jan 14th, 2025

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

Regions

Lizard-Flathead, Flathead, Lizard.

Conditions are generally safe, but small wind slabs may be possible on steep slopes.

Confidence

High

Avalanche Summary

Small (size 1) slab avalanches were reported in wind-affected terrain on Saturday, and similar avalanches are still possible.

Snowpack Summary

Wind from various directions has impacted most open areas, redistributing the last available soft snow, even at lower elevations. This wind-affected snow rests on a variable interface with surface hoar or sun crusts. Below this, the snowpack is strong and bonded, with treeline snow depths averaging 150 to 200 cm.

Weather Summary

Monday Night

Mostly cloudy. 20 km/h west ridgetop wind. Treeline temperature -9 °C.

Tuesday

Mostly cloudy. 20 km/h west ridgetop wind. Treeline temperature -7 °C.

Wednesday

Mix of sun and cloud. 20 to 30 km/h west ridgetop wind. Treeline temperature -5 °C.

Thursday

Mix of sun and cloud. 30 to 40 km/h west ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • This is a good time for exploring terrain.
  • Wind slabs are isolated, but may remain reactive.

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.