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Avalanche Forecast

Archived

Nov 30th, 2025–Dec 1st, 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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

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

Increasing winds and light snow could increase the avalanche hazard on Monday, particularly in the alpine.

Watch for changing conditions as the weather system moves through, and climbers should pay attention to what is going on in the terrain above them.

Confidence

Moderate

Avalanche Summary

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

Snowpack Summary

30-40 cm of soft snow overlying a supportive snowpack to ground. Wind affected surface snow can be found in the high alpine and some exposed tree line features.
Snow cover in the alpine varies greatly, with some areas blown free of snow, while other areas are filled in. A 2cm thick crust is present halfway down the snowpack but has only been observed at tree line elevations.

Weather Summary

Monday

Cloudy with sunny periods and isolated flurries.

Precipitation: Trace.

Alpine temperature: High -9 °C.

Ridge wind west: 15 km/h.

Tuesday

A mix of sun and cloud with isolated flurries.

Precipitation: Trace.

Alpine temperature: Low -9 °C, High -6 °C.

Ridge wind west: 10-30 km/h.

Wednesday

Cloudy with sunny periods.

Precipitation: Nil.

Alpine temperature: Low -11 °C, High -10 °C.

Ridge wind west: 15 km/h.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

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.