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Avalanche Forecast

Archived

Nov 7th, 2025–Nov 15th, 2025

Alpine
Early Season
Treeline
Early Season
Below Treeline
Early Season
Alpine
Early Season
Treeline
Early Season
Below Treeline
Early Season
Alpine
Early Season
Treeline
Early Season
Below Treeline
Early Season

Regions

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

There has been some windslabs avalanche activity noted in alpine terrain over the past week. The majority of these avalanches were sz 1.5 and running to upper treeline. Ice climbers think about overhead terrain and avalanche potential.

Confidence

Low

Avalanche Summary

A few windslabs up to sz 2 were observed in flights throughout the region over this past week. These were mainly on N and E aspects.

Snowpack Summary

Observations are still very limited.

Snow is accumulating at treeline and above. Weather stations are reporting 40cm of snow in alpine areas with amounts rapidly tapering at treeline and below.

A temperature crust from Nov 1st is down 10-15cm and being reported up to 2100m while a crust more basal in the snowpack is being reported into alpine areas on northern and eastern aspects.

Weather Summary

More details can be found in the Mountain Weather Forecast.

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.