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Avalanche Forecast

Archived

Apr 5th, 2025–Apr 6th, 2025

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

Regions

South Okanagan, Shuswap, North Okanagan.

Verify conditions as you move through terrain.

Small wind slabs are present in the alpine and wet loose avalanches will be likely on steep, sun-affected slopes.

Confidence

Moderate

Avalanche Summary

On Friday, several explosive triggered small (size 1) wind slab avalanches where reported near Kelowna.

NOTE: Observations in this region are currently very limited.

Snowpack Summary

Up to 20 cm of recent snow overlies a 10 to 15 cm crust. On solar aspects, a crust exists on the surface. Beneath this is a moist upper snowpack.

The mid/lower snowpack is well settled and strong.

Weather Summary

Saturday Night

Clear. 10 to 15 km/h southwest ridgetop wind. Treeline temperature +4 °C. Freezing level rising to 3000 m.

Sunday

Sunny with late afternoon cloud cover. 15 to 20 km/h southwest ridgetop wind. Treeline temperature +6 °C. Freezing level 3000 m.

Monday

Cloudy with snow and rain 5 to 10 cm. 20 to 50 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level 2000 m.

Tuesday

Mix of sun and cloud. 20 to 50 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Be careful as you transition into wind-affected terrain.
  • Rocks will heat up with daytime warming and may become trigger points for loose wet avalanches.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.

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.