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Archived

Avalanche Forecast

Dec 23rd, 2022–Dec 24th, 2022
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
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

Regions: North Okanagan, Shuswap, South Okanagan.

New snow may not bond well to the old surface. Assess for slabs prior to committing to steep terrain.

Confidence

Moderate

Avalanche Summary

No avalanches were reported on Thursday. Looking forward, riders could trigger wind slabs in steep terrain features in wind-exposed terrain.

Please consider submitting a MIN report if you head into the backcountry.

Snowpack Summary

Around 10 to 20 cm of new snow and southwest wind are likely forming wind slabs in lee terrain features at higher elevations. Soft snow prevails in sheltered terrain, which may not bond well to previous surfaces of sugary faceted grains and small surface hoar crystals.

The majority of the snowpack is faceted, with roughly 100 cm found at treeline.

Weather Summary

Friday Night

Cloudy with snowfall, accumulation 1 to 3 cm, 20 to 40 km/h southwest wind, treeline temperatures -9 °C.

Saturday

Cloudy with snowfall, accumulation 5 to 10 cm, 40 km/h southwest wind, treeline temperatures -5 °C.

Sunday

Mix of sun and cloud with isolated snowfall, accumulation 2 to 5 cm, 20 km/h southwest wind, treeline temperatures -3 °C.

Monday

Cloudy with snowfall, accumulation 2 to 5 cm, 40 to 60 km/h southwest wind, treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Closely monitor how the new snow is bonding to the old surface.

Avalanche Problems

Wind Slabs

New snow and strong wind have likely formed new wind slabs in lee terrain features at higher elevations. The new snow may not bond well to previous surfaces formed during last week's cold spell.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2