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Avalanche Forecast

Archived

Dec 24th, 2025–Dec 25th, 2025

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

Regions

North Rockies, East Kakwa, Kakwa, McGregor, Pine Pass, Renshaw, Robson, Tumbler.

Recent wind has varied in direction, so watch for slabs on all aspects and in unusual places.

The best and safest riding will be on slopes that have soft snow without any slab properties.

Confidence

Moderate

  • Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.
  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

Limited visibility due to intense snow transport obscured any natural avalanches in alpine terrain. Wind slab was reactive to snowmobile traffic on freshly loaded and cross-loaded southerly features near Pine Pass.

If you are heading into the backcountry, please consider sharing your observations via the Mountain Information Network.

Snowpack Summary

Strong easterly wind has redistributed the recent snow in exposed terrain at treeline and in the alpine. A prominent crust, formed in mid-December, is now buried between 55 and 80 cm below the surface. This hard crust extends up to 1800 m near the Pine Pass area, and up to 2000 m near Highway 16.

In thin snowpack areas, faceted grains or depth hoar may exist at the base of the snowpack. The snowpack depth is around 200-240 cm at treeline.

For recent conditions near Torpy and Pine Pass, check out the MIN from Avalanche Canada North Rockies Field Team.

Weather Summary

Wednesday Night
Cloudy. 3 to 5 cm of snow. 50 km/h east ridgetop wind. Treeline temperature -18 °C.

Thursday
Cloudy. Up to 2 cm of snow. 50 km/h west ridgetop wind. Treeline temperature -16 °C.

Friday
Cloudy. Up to 2 cm of snow. 40 km/h northeast ridgetop wind. Treeline temperature -20 °C.

Saturday
Partly cloudy. 40 km/h southwest ridgetop wind. Treeline temperature -18 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.
  • Choose low-angled, sheltered terrain where new snow hasn't been wind-affected.

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.