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Avalanche Forecast

Archived

Mar 15th, 2026–Mar 16th, 2026

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

Regions

South Coast Inland, Birkenhead, Duffey, South Chilcotin, Stein, Taseko.

New snow and strong winds will continue to build wind slabs in exposed areas. Use caution as you transition into wind affected terrain.

Confidence

High

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

Avalanche Summary

On Saturday a size 2.5 natural cornice failure was reported on a north aspect in the alpine. Avalanche control produced size 2 cornice failures and wind slabs up to size 1.5. Since Thursday, several rider-triggered storm and wind slabs were reported on north to east aspects at treeline. Natural wind slabs up to size 2 were observed in the alpine in the Duffy area.

Persistent slab avalanches up to size 2.5 ran on the February crust during last week’s storm in the South Chilcotin.

Snowpack Summary

The new snow is falling on wind-affected surfaces at upper elevations and possibly sun crust on steep solar aspects.

Below 2300 m, a widespread crust formed in early March is buried 20 to 60 cm deep.

Another crust, formed in February, is buried roughly 60 to 100 cm deep, surrounded by weak faceted grains. Activity on this layer has been isolated to the northeast of the region, in the South Chilcotins.

The remainder of the snowpack is generally strong and well-bonded.

Weather Summary

Sunday Night

Mostly cloudy. 2 to 3 cm of snow. 70 km/h southwest ridgetop wind. Treeline temperature -7 °C.

Monday

Cloudy. 3 to 5 cm of snow. 90 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Tuesday

Mostly cloudy. 5 to 15 mm of precipitation as snow or rain at treeline. 80 km/h southwest ridgetop wind. Treeline temperature 1 °C.

Wednesday

Mostly cloudy. 4 to 5 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 1 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Strong wind is building wind slabs farther downslope than usual.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.

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.