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Avalanche Forecast

Archived

Mar 28th, 2026–Mar 29th, 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, 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

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

Watch for reactive wind slabs at upper elevations that may propagate surprisingly wide on the slick underlying crust.

Treat the danger as CONSIDERABLE if you see more than 15 cm of new snow.

Confidence

Moderate

  • The snowpack structure is well understood.
  • We are uncertain about forecast snowfall amounts.

Avalanche Summary

In the past few days, several storm and wind slab avalanches up to size 2.5 have been observed. These avalanches have been triggered naturally, by explosives, and 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.

Snowpack Summary

Recent strong southwest wind has redistributed snow into deeper deposits on the north and east aspects. Exposed windward features are scoured at treeline and above.

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. Moist snow may be found beneath this crust, particularly at lower elevations.

Weak layers from February can be found down 150 cm and deeper. These layers remain a concern at high elevations where the crust from the atmospheric river might not exist.

Weather Summary

Saturday Night

Mostly cloudy. 1 to 10 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Sunday

Mostly cloudy. 1 to 3 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Monday

Mix of sun and clouds. 1 to 4 cm of snow. 20 km/h northwest ridgetop wind. Treeline temperature -10 °C.

Tuesday

Mix of sun and clouds. 1 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -10 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • 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.