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Avalanche Forecast

Archived

Mar 19th, 2025–Mar 20th, 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.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Okanagan, Shuswap, North Okanagan.

Caution as you transition into wind effected terrain.

Confidence

Moderate

Avalanche Summary

Two small (size 1) wind slabs were reported since Monday.

Snowpack Summary

35 to 50 cm of snow overlies a supportive crust.

Two weak layers of surface hoar and/or faceted grains associated with a crust from late January and mid-February may be found 80 to 100 cm deep.

The mid and lower snowpack is well settled and strong.

Weather Summary

Wednesday night

Cloudy with 5 to 10 cm of snow. 30 to 50 km/h south ridgetop wind. Treeline temperature -5 °C.

Thursday

Mostly cloudy. 20 to 40 km/h southwest ridgetop winds. Treeline temperature -5 °C.

Friday

Mostly cloudy with 5 to 10 cm of snow. 40 to 60 km/h south ridgetop wind. Treeline temperature -5 °C.

Saturday

Mix of sun and cloud. 20 t0 40 km/h west ridgetop wind. Treeline temperature -6 °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.

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.