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Avalanche Forecast

Archived

Mar 7th, 2026–Mar 8th, 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

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

The cooling has begun. As temperatures fall, expect a surface crust to form.

We are uncertain of the effects the recent warm temperatures have had on the persistent slab.

Confidence

Moderate

  • We are confident that there are persistent slabs in the snowpack, but uncertain about how likely they are to trigger.

Avalanche Summary

On Friday, no new avalanches were reported.

On Thursday, a few natural cornice falls were noted, with only one triggering a small wind slab on the slope below.

On Monday, there was a natural avalanche cycle, mostly size 2, on solar slopes.

Snowpack Summary

Recent warm temperatures and rain have settled and modified the snowpack as high as 2000 m. As it begins to cool, we expect a surface crust to form.

A couple of persistent weak layers buried recently may exist in the upper 30 to 60 cm of the snowpack. These consist of surface hoar, facets and crusts.

Buried around 60 to 100 cm is a prominent, persistent weak layer of facets and crust from early February.

The remaining snowpack appears to be strong and well-bonded.

Weather Summary

Saturday Night
Mostly cloudy. 4 to 5 cm of snow. 70 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1600 m.

Sunday
Mix of sun and clouds. 40 km/h west ridgetop wind. Treeline temperature -8 °C.

Monday
Mix of sun and clouds. 3 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -11 °C.

Tuesday
Mix of sun and clouds. 1 to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -11 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The more the snowpack warms up and weakens, the more conservative your terrain selection should be.
  • Be aware of the potential for large avalanches due to buried weak layers.
  • 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.

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.

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.