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Avalanche Forecast

Archived

Dec 25th, 2024–Dec 26th, 2024

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
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.

Look for areas where the surface snow is powdery and start with small and moderately steep slopes before considering bigger terrain.

Confidence

Moderate

Avalanche Summary

A small skier triggered avalanche was reported in the alpine on a north east aspect on Monday.

Limited avalanche activity has been reported over the last 3 days. Avalanche activity may be ongoing in specific wind affected terrain with continued snowfall and strong wind, however, the expected size remains small.

Snowpack Summary

Alpine terrain is heavily wind-affected, while sheltered areas have settling snow from recent storms.

A mix of weak layers exist below, with facets, surface hoar, and crusts present. Neighbouring regions have reported avalanches on this layer, but no observations suggest it is an issue in this region. Additionally, mild temperatures may help the snowpack to gain strength.

Treeline snow depths vary from 50-140 cm.

Weather Summary

Wednesday Night

Cloudy with 3 to 5 cm of snow. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Thursday

Cloudy with 10 to 20 cm of snow. 40 to 60 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Friday

Mostly cloudy with 3 cm of snow. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Saturday

Mostly cloudy with 5 to 10 cm of snow. 50 to 70 km/h southwest ridgetop wind. Treeline temperature -1 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Make observations and continually assess conditions as you travel.
  • 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.