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Avalanche Forecast

Archived

Feb 9th, 2026–Feb 10th, 2026

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

Regions

Banff Yoho Kootenay, Little Yoho, Banff, East Side 93N, Kootenay, Lake Louise, LLSA, Sunshine, West Side 93N, Field.

Some lingering surface instabilities are the main concern in the snowpack. Take note of any surface slabs underfoot and take the time to dig down before committing to any consequential terrain.

Keep posting those MINs! We read every one of them.

Confidence

Avalanche Summary

No new avalanches observed on Monday.

Snowpack Summary

Up to 15 cm of snow fell over the weekend. This was redistributed by moderate to strong winds, forming surface slabs at upper elevations.

Below this:

Recent warm temperatures produced crusts on solar aspects to treeline and on steep solar alpine terrain.

North aspects remained mostly dry and cool.

Down 15–30 cm, the Jan 24 interface consists of surface hoar and a crust.

Below this interface, the snowpack is generally strong and well settled.

Weather Summary

We are expecting little change in the weather over the next few days. On Tuesday, we can expect a mix of sun and cloud, with a possible trace amount of precipitation. Freezing levels will climb to around 1,700 m during the daytime and recover overnight. Ridge-top winds will range from moderate to strong from the west.t.

Terrain and Travel Advice

  • Wind slabs are isolated, but may remain reactive.
  • Approach steep and open slopes at and below treeline cautiously, as buried surface hoar may exist.

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.