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Avalanche Forecast

Archived

Feb 1st, 2026–Feb 2nd, 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 possible, human triggered probable.

Regions

Glacier.

Approach all avalanche terrain with cation, triggering avalanches is likely.

New snow continues to slowly build a slab on a dangerous combination of weak surface hoar, facets and a crust.

Confidence

Moderate

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

Avalanche Summary

On Friday and Saturday skier triggered slab avalanches up to size 1.5 occurred in the park failing on the late Jan surface hoar.

Natural avalanches size 2-3 have been observed in the hwy corridor and also reported in neighboring areas over the past few days.

Regionally there have been numerous natural, skier and remotely triggered avalanches also failing on the surface hoar layer.

Snowpack Summary

Wind and warm temps are stiffening up the new snow (20-30cm and counting). This is accumulating over 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 firmer on solar aspects.

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

Weather Summary

Flurry activity will continue bringing regular small additions of new snow with mid mountain freezing levels (FZL).

Tonight: Flurries 5cm. Alpine low -5°C. Moderate SW wind. (FZL) 1400m.

Mon: Flurries 7cm. Low -6°C, high -5°C. Moderate SW wind. FZL 1400m.

Tues: Isolated flurries. Low -5°C, high 1°C. Moderate SW wind. FZL 1700m. Weak inversion.

Wed: Sun & cloud. Low -1°C, high 3°C. Moderate SW wind. FZL 2900m.

Terrain and Travel Advice

  • It's a good day to make conservative terrain choices.
  • Avoid areas where the snow feels stiff and/or slabby.
  • Avoid terrain traps such as gullies and cliffs where the consequence of any avalanche could be serious.

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.