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Avalanche Forecast

Archived

Feb 19th, 2026–Feb 20th, 2026

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

Regions

Little Yoho, Kootenay.

Pay attention to the Jan 24 surface hoar layer down 30-40 cm. This layer has been reactive in this region at tree-line and below. Look for this layer and test it before committing to the terrain.

Confidence

Avalanche Summary

A skier remote avalanche was reported Wednesday from Simpson area in Kootenay Park releasing on Jan 24 surface hoar at 1800m.

On Sunday a an avalanche (on Jan 24 surface hoar) was triggered in Little Yoho Valley in Yoho Park

Snowpack Summary

20-30 cm recent low density snow, with minimal wind effect, overlays sun-crusts on solar aspects and scoured terrain in alpine. The Jan 24 layer (surface hoar/crust) is down 30-40 cm at treeline and has been reactive in some areas in Yoho and Kootenay – Dig down and check for this layer before committing. See avalanche section of Bulletin.

Weather Summary

Friday, Feb 20
Mixed sun and cloud with no new snow.
Winds: NW-Light.
Temps at 2300m: -14°

Saturday, Feb 21
Mixed sun and cloud
Winds: South-Light
Temps at 2300m: -10°

Terrain and Travel Advice

  • Approach steep and open slopes at and below treeline cautiously, as buried surface hoar may exist.

Problems

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.

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.