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Avalanche Forecast

Archived

Nov 14th, 2025–Nov 16th, 2025

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

Regions

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

Although most of the recent storm fell as rain below 2300 m, elevations above this level are now seeing pockets of wind slab, particularly in terrain features like gullies and along ridge crests. Snow coverage at treeline and below remains minimal, with most areas still below threshold.

Confidence

Low

Avalanche Summary

There was one sz 1.5 windslab avalanche observed near "Little Bobby Onsight" in the bow valley. Observations were limited in the Spray and Kananaskis valleys.

Snowpack Summary

The recent storm mainly fell as rain below 2300m with snow above. The height of this new crust is still a bit of an unknown so as field observations get more frequent we will have a better handle on this. Below this there is a deeper crust layer close to the ground from October.

Windslabs are still the dominant problem in alpine areas. Ridgelines, gullies and crossloaded features are areas to pay close attention to as you move higher in the terrain.

Weather Summary

Strong westerly winds combined with light winds will begin overnight. Light snowfall with little accumulation and daytime highs around -3C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Ice climbers should be equipped with avalanche safety gear.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

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.