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Avalanche Forecast

Archived

Mar 29th, 2025–Mar 30th, 2025

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.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Okanagan, Shuswap, North Okanagan.

Lingering wind slabs may remain reactive to human triggers at upper elevations.

Watch for reactive wind slabs as you transition into wind-affected terrain.

Confidence

High

Avalanche Summary

On Friday, several small naturally triggered wind slabs up to size 1 were reported in isolated locations below ridgetops.

NOTE: Observations in this region are currently very limited.

Snowpack Summary

5 to 10 cm of recent snow overlies a wet, rain-soaked upper snowpack. Expect a surface crust to form on clear nights.

Weather Summary

Saturday Night

Clear skies. 5 to 10 km/h northwest ridgetop wind. Treeline temperature -3 °C. Freezing level valley bottom.

Sunday

Sunny. 10 to 20 km/h southeast ridgetop wind. Treeline temperature 2 °C. Freezing level 1900 m.

Monday

Mix of sun and cloud. 10 to 20 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

Tuesday

Mix of sun and cloud. 15 to 30 km/h northwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

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.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.

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.

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.