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Avalanche Forecast

Archived

Dec 31st, 2024–Jan 1st, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
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

Coquihalla, Manning, Skagit.

Use extra caution in alpine terrain, where reactive wind slabs may linger on steep slopes.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported, however observations have been limited. Please share any reports or photos on the Mountain Information Network (MIN).

Snowpack Summary

20 to 50 cm of recent snow is settling over a hard crust in most areas.

The mid and lower snowpack are well consolidated with no deeper concerns.

Snow depth ranges from 100 to 150 cm at treeline in the Coquihalla, to 85 to 100 cm near Manning Park.

Weather Summary

Tuesday Night

Partly cloudy. 10 to 20 km/h south ridgetop wind. Treeline temperature -7 °C.

Wednesday

Mix of sun and cloud. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -7 °C.

Thursday

Mostly cloudy. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Friday

Mostly cloudy with 0 to 2 cm of snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.

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.