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Archived

Avalanche Forecast

Dec 22nd, 2024–Dec 23rd, 2024
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Watch for fresh wind slabs on steep slopes in the alpine and at treeline

The best riding will be in sheltered terrain

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported since Friday, when several natural storm slabs were reported on north and west aspects in the alpine and at treeline.

Reports are limited but this suggests conditions are improving and reactivity may linger in specific features.

Snowpack Summary

30 to 50 cm wind affected snow sits at the surface.

A surface hoar layer is now buried 40 to 70 cm deep. This layer is spotty and hard to find. It may be found and triggerable in very sheltered treeline and alpine features. Where there isn't surface hoar, there is likely a crust.

There are no current concerns deeper in the snowpack. HS at treeline measures 120-150 cm.

Weather Summary

Sunday Night

Mostly cloudy, up to 5 cm of snow. 30 to 40 km/h south ridgetop wind. Treeline temperature -5 °C.

Monday

Mostly cloudy with up to 8 cm of snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Tuesday

Mostly cloudy with up to 10 cm of snow. 40 to 50 km/h south ridgetop wind. Treeline temperature -3 °C.

Wednesday

A mix of sun and cloud 40 to 50 km/h south ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.

Avalanche Problems

Wind Slabs

Watch for wind slabs near ridgelines and mid slope rollovers, small amounts of new snow Sunday night and Monday may build fresh and reactive slabs.

Aspects: North, North East, East, South East, North West.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2