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Avalanche Forecast

Archived

Jan 4th, 2026–Jan 5th, 2026

Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
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 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.

Continued snowfall is building storm slabs. A natural avalanche cycle is expected over the next few days.

Minimize your exposure to overhead hazard, especially during periods of heavy snowfall or rapid loading from wind.

Confidence

Moderate

  • Forecast snowfall amounts are uncertain.

Avalanche Summary

A natural avalanche cycle is expected on Tuesday as storm totals accumulate.

A few small loose snow avalanches were observed in the steep terrain in the highway corridor over the weekend.

Snowpack Summary

Up to 45cm of storm snow is forecast to have accumulated by the end of day Monday. Storm snow sits over surface hoar size 3-8 mm at treeline on protected slopes. In the alpine, storm snow buries a breakable sun crust on steep solar slopes, and wind effect in open terrain.

The mid and lower snowpack are well settled and right side up.

Weather Summary

Snowfall continues with 5-15cm a day throughout the forecast period.

Tonight Flurries, 5-10 cm. Alpine High -3°C. Freezing level (FZL) 1000m. Ridge wind SW 30-45 km/h.

Mon Scattered flurries, 5cm. Alpine High -8 °C. FZL 1100m. Wind SW 30-40.

Tues Snow, 16cm. Alpine high -9 °C. Wind SW 40-50km/h.

Wed Flurries,10 cm. Alpine high -10 °C. Wind SW 25 gusting to 55. FZL 600m.

Terrain and Travel Advice

  • Don't let the desire for deep powder pull you into high consequence terrain.
  • Approach steep and open slopes at and below treeline cautiously, as buried surface hoar may exist.
  • Carefully manage your exposure to overhead hazards.

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.