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Archived

Avalanche Forecast

Dec 11th, 2024–Dec 12th, 2024
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
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

Regions: Bonnington, Crawford, Grohman, Kokanee, Kootenay Boundary, Kootenay Pass, Norns, North Okanagan, Retallack, Rossland, Shuswap, South Okanagan, Valhalla, Ymir.

Watch for changing conditions as you gain elevation.

the best riding conditions will be found in wind sheltered terrain.

Confidence

Moderate

Avalanche Summary

No significant slab avalanches were reported over the past couple days. Natural and skier triggered dry loose avalanches up to size 1.5 have been reported from steep terrain where the recent snow hasn’t bonded to the underlying crust.

Snowpack Summary

Wind affected snow may be found in exposed terrain at higher elevations. A new surface hoar layer can be found on the surface in sheltered terrain.

10 to 30 cm of recent snow from the past weekends storm overlies a crust to 2200 m. The extend of this crust is uncertain in the alpine in the Selkirks. Where this crust is not present a layer of surface hoar may be found.

The mid and lower snowpack is well-settled, dense, and generally strong. Treeline snow depths range from 100 to 150 cm.

Weather Summary

Wednesday Night

Mostly clear skies with no snow expected. 5 to 10 km/h southwest ridgetop wind. Treeline temperature -10°C.     

Thursday

Mix of sun and cloud with no snow expected. 5 to 15 km/h south ridgetop wind. Treeline temperature -5°C.

Friday

Mostly cloudy with up to 5 cm of snow possible. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -6°C.

Saturday

Cloudy with up to 25 cm of snow expected. 25 to 40 km/h southwest ridgetop wind. Treeline temperature -3°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are isolated, but may remain reactive.
  • Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.
  • Make observations and continually assess conditions as you travel.

Avalanche Problems

Wind Slabs

Rider triggerable wind slabs may linger in exposed terrain near ridge crests. Where the surface hasn't been wind affected dry loose avalanches are possible.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5