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Avalanche Forecast

Archived

Mar 29th, 2026–Mar 30th, 2026

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.
Below Treeline
Natural avalanches unlikely.

Regions

North Columbia, South Columbia, Clemina, Esplanade, Jordan, North Monashee, North Selkirk, West Purcell, Badshot-Battle, Central Selkirk, Goat, Gold, Whatshan.

Assess the bond between wind slabs and the underlying crust before committing to steep terrain.

Strong sun could increase the likelihood of both natural and human-triggered avalanches.

Confidence

High

  • We have a good understanding of the snowpack structure and confidence in the weather forecast.

Avalanche Summary

In the past few days, several wind slab avalanches up to size 2.5 have been triggered by skiers. Avalanches were predominantly triggered on north and east aspects at treeline and above. The atmospheric river crust has been the failure plane for almost all of them.

Wind slab reactivity has persisted longer than usual due to poor bond to the crust below.

Snowpack Summary

Up to 15 cm of recent snowfall overlies wind-affected surfaces and wind slabs, found primarily on north through to east aspects.

The thick crust that formed as a result of the recent atmospheric river event is found down 40 to 80 cm. This crust extends up to at least 2300 m.

Weak layers from February can be found down 150 cm and deeper and have shown no recent reactivity.

Weather Summary

Sunday Night

Partly cloudy. 2 to 3 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -10 °C.

Monday

Mostly sunny. 20 km/h northwest ridgetop wind. Treeline temperature -11 °C.

Tuesday

Mostly sunny. 20 km/h southwest ridgetop wind. Treeline temperature -9 °C.

Wednesday

Mix of sun and clouds. 1 cm of snow. 20 km/h south ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Keep in mind a buried crust offers an excellent bed surface for avalanches.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.
  • Be alert to conditions that change with elevation and sun exposure.

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.