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Avalanche Forecast

Archived

Jan 6th, 2025–Jan 7th, 2025

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Lizard-Flathead, Flathead, Lizard.

Watch for unstable snow in isolated features.

Use sluff management techniques in steep terrain.

Confidence

High

Snowpack Summary

Localized winds have created isolated wind slabs on exposed alpine features. 10 cm of unconsolidated snow is found in sheltered areas. Below this is 30 to 50 cm of settling snow. Below 1500 m elevation a previously moist surface is now dense and refrozen.

The mid and lower snowpack is generally well-settled and stable.

Snow depths at treeline range from 140 to 220 cm.

Weather Summary

Monday Night

Mainly clear skies. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Tuesday

Increasing cloud. 15 to 25 km/h west ridgetop wind. Treeline temperature -5 °C.

Wednesday

Mainly cloudy with light flurries, 1 to 2 cm. 30 to 40 km/h west ridgetop wind. Treeline temperature -7 °C.

Thursday

A mix of sun and cloud. 15 to 25 km/h west ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with sluffing in steep terrain, especially above cliffs and terrain traps.
  • Carefully evaluate steep lines for wind slabs.

Problems

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.