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Avalanche Forecast

Archived

Dec 3rd, 2025–Dec 4th, 2025

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

Regions

Jasper, Brazeau, Churchill, Cirrus-Wilson, Fryatt, Icefields, Maligne, Marmot, Miette Lake, Pyramid.

Wind slabs are a concern in isolated alpine lee features.

Ski quality has been affected by the recent winds but good riding can still be found on sheltered tree line and below tree line slopes.

Early season hazards are also still a significant concern out there, coverage is very thin in many areas.

Confidence

Moderate

Avalanche Summary

No new avalanches have been observed or reported in the past few days.

Snowpack Summary

3-4 cm of fresh snow found in the Icefields Parkway.
In sheltered areas 30 cm of soft facetted snow overlies a supportive snowpack to ground. A 2cm thick crust is present halfway down the snowpack but has only been observed at tree line elevations.

Weather Summary

Thursday
Cloudy with sunny periods and isolated flurries. Precipitation: Trace. Alpine temperature: High -5 °C. Ridge wind west: 15 km/h gusting to 40 km/h.

Friday

Cloudy with sunny periods and isolated flurries. Precipitation: Trace. Alpine temperature: Low -11 °C, High -6 °C. Ridge wind west: 10-30 km/h.

Saturday

Mainly cloudy with isolated flurries. Precipitation: Trace. Alpine temperature: Low -13 °C, High -6 °C. Ridge wind southwest: 15 km/h gusting to 45 km/h.

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Seek out wind sheltered terrain below treeline where you can avoid wind slabs and find great riding.
  • Pay attention to isolated wind affected features in the alpine, as well as cross-loaded features at treeline.

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.