Avalanche forecast

Glacier

Dec 5 – 6, 2025Avalanche Canada
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Archived · expired 10 months ago

Avalanche danger

Sun
Mon
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
1 · Low

Highlights

Be on the lookout for wind-loaded areas in the alpine and at treeline. The potential for human triggering will continue to increase with ongoing snowfall and moderate-strong ridgetop winds.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–2.5

    Pockets of wind slab exist in exposed areas. It is possible to trigger an avalanche in steep, wind loaded terrain.

Confidence

Moderate

Avalanche Summary

A limited artillery avalanche control mission on Thursday produced small loose snow avalanches in steep terrain.

MIN reports have observed pockets of wind slab in the alpine.

Snowpack Summary

Expect ongoing wind slab development in the alpine and exposed areas at treeline.

By Friday afternoon up to 15cm of new snow will be covering surface hoar on faceted old powder snow in sheltered areas, a thin suncrust on steep solars aspects, and previous wind effect in open alpine terrain.

A rain crust is down 40-70cm in the snowpack, and exists up to approximately 2200m.

Weather Summary

A low pressure system passes just south of us Friday, pushing snow and wind our way.

Tonight Cloudy, isolated flurries. Alpine low -7°C, Freezing Level(FZL) 1100m. Ridge winds Moderate West.

Fri Cloudy with flurries (5-10cm). Alpine high -6°C, FZL 1200m. Mod W wind.

Sat Flurries (10cm). Low -6 °C, High -4 °C. FZL 1400m. Gusty strong W wind.

Sun Flurries(5-10cm). Low -9 °C, High -6 °C. FZL 1100m. Gusty strong SW wind.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

Regions covered