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Avalanche Forecast

Archived

Dec 23rd, 2025–Dec 24th, 2025

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.
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.

Wind slabs are most reactive during their formation and rider-triggering is the main concern.

Seek out slopes with soft snow and no slab characteristics for the safest riding.

Confidence

Moderate

  • Forecast precipitation (either snow or rain) amounts are uncertain.
  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

No new avalanche was reported.

On Sunday, explosive control work in alpine terrain around Big White produced several wind slabs (size 1.5) on north-to east-facing aspects with one persistent slab (size 2) that stepped down to the November crust.

Snowpack Summary

30 to 50 cm of recent snow overlies a prominent crust formed in mid-December that extends up to 2200 m. In open areas at treeline and above, this snow has been redistributed by southerly wind.

In the upper snowpack, several other crust layers may exist. In the mid-snowpack, a faceted crust from mid-November can be found.

The snowpack depth is around 100 cm, tapering with elevation below 1500 m.

Weather Summary

Tuesday Night
Partly cloudy. 30 km/h south ridgetop wind. Treeline temperature -10 °C.

Wednesday
Cloudy. 10 to 15 cm of snow. 60 km/h south ridgetop wind. Treeline temperature -2 °C. Freezing level at 1500 m.

Thursday
Mostly cloudy. 5 of snow. 30 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Friday
Mostly cloudy. 10 to 15 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind-loaded terrain features.
  • Watch for rapidly changing conditions during periods of heavy loading from new snow, wind, or rain.
  • Seek out sheltered terrain where new snow hasn't been affected by 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.