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Avalanche Forecast

Archived

Mar 1st, 2026–Mar 2nd, 2026

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

Regions

Kananaskis, Bow Valley, Highwood Pass, North 40, Spray - KLakes.

Blue skies will offer great opportunities to get up high and enjoy the views. With that said, don't underestimate the amount of wind loading that has gone on the past few days. Steep convex terrain should be avoided for a few days as wind slabs sort themselves out.

Confidence

Avalanche Summary

The south face of Mt Nestor had a new sz2.5 slab in the main gully near the summit. This looked about 80-100m deep. There were also several small pockets up to sz1.5 sprinkled around the Goat Range.

Snowpack Summary

Lots of wind transport today. All open areas at treeline and alpine have wind slabs on easterly aspects. These look plump and likely triggerable in steep convex terrain. Cornices have also grown with the wind and warmer afternoon temperatures. With slab growth, the Feb 14th layer is now down 60-80cm, and maybe up to 100cm in wind loaded areas. Despite the wind, below tree line areas, or very sheltered treeline areas have nice settled powder snow offering good skiing/riding.

Weather Summary

Looks like a beautiful sunny day tomorrow. No significant cloud cover all day with daytime highs approaching 0°. It'll probably be a bit windy though. Valley bottom winds look light with moderate gusts in the afternoon. Peak height winds will be around 50km/hr straight out of the west.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Recent strong wind means wind slabs may be found farther downslope than expected.
  • Expect slab conditions to change drastically as you move into wind-exposed terrain.

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.