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Avalanche Forecast

Archived

Jan 29th, 2026–Jan 30th, 2026

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

Regions

Glacier.

New snow is falling on a dangerous combination of weak surface hoar on a crust.

Expect the hazard to continue to increase through out the day, and be ready to scale back your terrain use accordingly.

Confidence

Moderate

  • We are uncertain about forecast snowfall amounts.
  • We are uncertain due to how buried persistent weak layers will react with the forecast weather.

Avalanche Summary

Surface sluffing, large enough to bump a person from their feet, has been observed and reported in steep, N-facing terrain this week.

Snowpack Summary

New snow (10-20cms by Friday evening) is covering a troubling combination of surface hoar or facets on a crust. The surface hoar is on most aspects and elevations, and is largest (up to 40mm) in sheltered areas below treeline. The crust is more supportive on solar aspects, and has been weakening/faceting on polar aspects.

The mid and lower snowpacks are generally well settled and strong.

Weather Summary

The drought is ending, with snowfall in the forecast for Friday.

Tonight: Cloudy with flurries. Alpine low -4 °C. Freezing level (FZL) 1400m. Light SW ridgetop winds.

Friday: Periods of snow (~15cms). Alpine High -3°C. FZL 1700m. Moderate-strong SW winds.

Sat: Isolated flurries. Low -5 °C, High -2 °C. FZL 1600m. Moderate SW wind.

Sun: Isolated flurries. Low -3 °C, High -1 °C. FZL 1900m. Gusty strong SW wind.

Terrain and Travel Advice

  • Avoid terrain traps such as gullies and cliffs where the consequence of any avalanche could be serious.
  • Avoid areas where the snow feels stiff and/or slabby.
  • Make observations and continually assess conditions as you travel.

Problems

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.

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.