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Avalanche Forecast

Archived

Dec 22nd, 2022–Dec 23rd, 2022

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

South Okanagan, Shuswap, North Okanagan.

Assess for wind slabs in steep terrain prior to committing.

Confidence

Moderate

Avalanche Summary

No avalanches were reported on Wednesday. Riders triggered a few small (size 1) avalanches in wind-exposed terrain on Tuesday.

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

Snowpack Summary

Southwest wind and small amounts of new snow may form isolated pockets of wind slab in steep terrain features. Soft snow prevails in sheltered terrain. The snowpack is faceted, with roughly 100 cm found at treeline.

Weather Summary

Thursday Night

Cloudy with snowfall, accumulation 1 to 3 cm, 20 km/h south wind, treeline temperature -17 °C.

Friday

Cloudy with snowfall, accumulation 5 cm, 20 to 40 km/h southwest wind, treeline temperatures -15 °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 1 to 3 cm, 20 to 40 km/h southwest wind, treeline temperatures -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.

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.