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Avalanche Forecast

Archived

Jan 11th, 2026–Jan 12th, 2026

Alpine
Widespread avalanches certain.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural and human triggered avalanches likely.
Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural avalanches possible, human triggered probable.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

Glacier.

Hazardous avalanche conditions will exist throughout the park with ongoing heavy snowfall and extreme winds.

Avoid exposure to all avalanche terrain.

Confidence

Moderate

  • Uncertainty is due to the timing, track, & intensity of the incoming weather system.

Avalanche Summary

With lots of new snow and wind there have been numerous avalanches in the region.

A quick scan through the MIN reports will show a number of recent avalanche occurrences. A crew heading to the Asulkan hut triggered an avalanche that involved 3 people, one of which was mostly buried. Read about that here.

Neighboring operations are reporting both reactive windslab and perisistant slab problems that are producing avalanches up to size 3.5!

Snowpack Summary

Up to 100 cm over the past week was accompanied by moderate to strong winds. This has formed wind slabs in the alpine and on exposed slopes at treeline.

Below this weeks storm snow, a layer of surface hoar is buried 60-100cm deep in sheltered areas at treeline & below. On solar slopes, the storm snow sits over a crust which is also acting as failure plan for human triggered avalanches.

Weather Summary

Heavy snowfall, strong winds & warm temps are forecast for the beginning of the week.

Tonight: Periods of snow, Snow: 20cms. Alpine Low -6°C. Winds SW 30 km/h gusting to 55. Freezing level (FZL) 1300m

Mon Heavy snowfall, 39 cm. Alpine High -1°C. Winds SW 35-45km/h. FZL 1800m

Tues Flurries, 8 cm. Alpine high 1°C. Winds SW 25 to 45km/h. FZL 2300m

Wed Cloudy with flurries, 1-2cms. Alpine high -5°C. Winds: light. FZL 1300m

Terrain and Travel Advice

  • Avoid areas with overhead hazard.
  • Approach steep and open slopes at and below treeline cautiously, as buried surface hoar may exist.
  • Don't let the desire for deep powder pull you into high consequence terrain.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.