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Avalanche Forecast

Archived

Feb 13th, 2026–Feb 14th, 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.
Below Treeline
Natural avalanches unlikely.

Regions

Little Yoho, Kootenay.

Good conditions overall, but we have lingering concerns for pockets of persistent slab in the Kootenay and Yoho areas, where a 20-40 cm slab may overlie the Jan 24 surface hoar/crust layer and be reactive in steeper terrain. Watch for cracking or signs of slab formation as you enter steep terrain at treeline and below.

Confidence

Moderate

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

Avalanche Summary

A report from Wednesday in Yoho about the Jan 24 surface hoar being reactive below treeline, shows the layer can still be triggered in isolated locations.

No other new avalanches reported.

Snowpack Summary

10-15 cm of soft surface snow in sheltered alpine areas, and down to the valley bottom on north aspects. Steeper solar aspects have surface crusts, and areas exposed to the wind have a lot of wind effect. A Jan 24 layer of surface hoar/crust is down 15-30 cm at treeline and below. This layer has been reactive in isolated pockets recently between 1500 and 1900 m. Below this interface, the snowpack is generally strong and well settled.

Weather Summary

Saturday - Cloudy with flurries, light to moderate SW-W winds, 3-5 cm of new snow, and treeline temperatures between -5 to -8°C.

Sunday - Mostly sunny with light to moderate SW-W winds, and treeline temperatures between -8 to -10°C.

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

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.

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.