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Avalanche Forecast

Archived

Feb 20th, 2025–Feb 21st, 2025

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.
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.

Watch for wind slab formation throughout the day with forecast snowfall, wind, and rising temperatures.

Confidence

Moderate

Avalanche Summary

No recent avalanche activity has been reported.

If you head into the backcountry please consider submitting a MIN post.

Snowpack Summary

New snow will continue to gradually accumulate atop a thin crust on sun-exposed slopes and surface hoar in wind-sheltered areas. Approximately 20 cm may have accumulated by Friday afternoon.

Beneath, the upper snowpack is largely faceted.

The mid and lower snowpack is generally settled and strong.

Weather Summary

Thursday Night

Cloudy. 10 to 30 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Friday

Cloudy with 5 to 10 cm of snow. 20 to 30 km/h south ridgetop wind. Treeline temperature -3 °C.

Saturday

Cloudy with 2 to 5 cm of snow. 30 to 50 km/h south ridgetop wind. Treeline temperature -1 °C. Freezing level rising to 1600 m.

Sunday

Cloudy with 2 to 5 cm of snow. 30 to 50 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level rising to 1900 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for signs of slab formation throughout the day.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.

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.