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Avalanche Forecast

Archived

Nov 24th, 2025–Nov 25th, 2025

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

Regions

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

A very welcomed storm has hit the region, not truly enough to start the ski season proper, but a step in the right direction. Creeks are still wide open and lower elevations would be hard travel.

Confidence

Moderate

Avalanche Summary

A flight over the spray valley today noted several Loose dry avalanches to size 1.5. These are not running far but they appeared to run during the storm and on a crust at lower alpine elevations or in extreme rocky alpine terrain

Snowpack Summary

Roughly 20 cm has fallen in the burstall pass region, tapering with elevation. This sits upon various crusts. Minimal surface wind effect was noted on a flight over the spray today.

Treeline and below is still pretty shallow for snow. It's a long season, so think about your knees!

Weather Summary

Tuesday will see partially sunny skies and a day time high of -11.

Ridge top winds around 25km/h from the SW

https://hpfx.collab.science.gc.ca/~fsg006/productviewer/ab/table/AB_Rockies_Forecast.html

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with sluffing in steep terrain, especially above cliffs and terrain traps.
  • Ice climbers should be equipped with avalanche safety gear.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Avoid terrain traps such as gullies and cliffs where the consequence of any avalanche could be serious.

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.

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.