Avalanche forecast

Glacier

Dec 8 – 9, 2025Avalanche Canada
View on map
Archived · expired 10 months ago

Avalanche danger

Wed
Thu
Alpine
4 · High
Treeline
4 · High
Below
3 · Considerable
Open full map

Highlights

Heavy snowfall and strong / extreme wind on Monday will cause the avalanche hazard to rise rapidly.

Storm intensity will ramp up around Noon so don't get caught by surprise. Travel in avalanche terrain is not recommended.

Avalanche problems

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Very Likely
    Size
    1.5–3

    Rapid loading and strong - extreme southwest wind will rapidly load slopes forming reactive slabs. Avoid avalanche terrain on Monday.

Confidence

Moderate

Avalanche Summary

A natural avalanche cycle has started in steep alpine terrain. Natural activity is expected to increase dramatically on Monday afternoon/ evening as the storm intensifies.

Snowpack Summary

About 50 cm of snow (and counting) is covering a decomposing surface hoar layer in sheltered treeline areas, a thin rime crust on all aspects, and previous wind effect in open alpine terrain.

A rain crust is down 50-90cm in the snowpack, and exists up to approximately 2200m.

Weather Summary

Storm intensifies with highest snowfall amounts overnight Monday

Tonight Flurries, 7cm. Winds SW-30km/h gusting 60. Alpine low -7°C, Freezing level (FZL) 1100m.

Monday Snow, heavy at times. 29cm. High -3. FZL 800m. Wind SW 25km/h gusting to 60 km/h

Tues Snow, 13cm. High -5°C, FZL 1300m. Wind SW 25 gusting 90.

Wed Flurries, 8cm. Low -8, FZL 1200. Wind SW-15 gusting to 50km/h.

Terrain and Travel Advice

  • Avoid avalanche terrain during periods of heavy snowfall.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.

Regions covered