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Avalanche Forecast

Archived

Jan 23rd, 2026–Jan 24th, 2026

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.

The current deep persistent slab avalanche problem may be difficult to assess and manage in the field due to it's unpredictable nature. Use caution when accessing terrain with thin or variable snow coverage.

Be diligent in your terrain assessment and keep a wide margin for error when choosing slopes.

Confidence

Avalanche Summary

Field team in Rampart area on Tuesday reported a few solar triggered size 1.5. Also, outside Lake Louise ski area on the Vortex run (Pipestone area) a skier triggered a size 2.5, took a 200m ride, buried up to waist, uninjured but lost equipment. It was a 40 degree slope, W-NW aspect, 2500m, 40-80cm deep crown, 60m wide, and 200m long releasing near the ground. It was triggered in a cross loaded shallow spot feature.

Snowpack Summary

Surface hoar and/or surface faceting continue to grow and can be found up to 2700m and likely higher. Otherwise, surfaces are firm and wind impacted. Soft snow remains in sheltered areas. Solar slopes host variable old crusts, especially on steeper aspects. The snowpack is generally deeper in the Icefields and shallower at Maligne lake.

Weather Summary

Saturday

A mix of sun and cloud with isolated flurries.

Precipitation: Trace.

Alpine temperature: High -11 °C.

Ridge wind northwest: 15 km/h gusting to 40 km/h.

Freezing level at valley bottom.

Sunday

A mix of sun and cloud.

Precipitation: Nil.

Alpine temperature: Low -14 °C, High -6 °C.

Ridge wind west: 10-20 km/h.

Freezing level at valley bottom.

Monday

A mix of sun and cloud.

Precipitation: Nil.

Alpine temperature: Low -14 °C, High -8 °C.

Ridge wind west: 10 km/h.

Freezing level at valley bottom.

Terrain and Travel Advice

  • Avoid areas with a thin or variable snowpack.
  • Make observations and continually assess conditions as you travel.
  • Be mindful that deep instabilities are still present in the snowpack.

Problems

Deep Persistent Slabs

Deep Persistent Slab avalanches are the release of a thick cohesive layer of hard snow (a slab), when the bond breaks between the slab and an underlying persistent weak layer deep in the snowpack. The most common persistent weak layers involved in deep, persistent slabs are depth hoar or facets surrounding a deeply buried crust. Deep Persistent Slabs are typically hard to trigger, are very destructive and dangerous due to the large mass of snow involved, and can persist for months once developed. They are often triggered from areas where the snow is shallow and weak, and are particularly difficult to forecast for and manage.