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Avalanche Forecast

Archived

Nov 14th, 2025–Nov 15th, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Early Season
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Early Season
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Early Season

Regions

Glacier.

Recent heavy rain to treeline has not made travel conditions any friendlier. Freezing levels have dropped, with a bit more snow to come, but rugged travel at lower elevations will likely persist as the biggest hazard through the weekend.

Confidence

Low

Avalanche Summary

An avalanche cycle triggered by rain and/or heavy snow and wind loading peaked on Thursday night. Several avalanches up to size 3.0 were observed in the highway corridor, some running well into the bare ground on lower elevation fans.

Snowpack Summary

Freezing levels have dropped, allowing snowfall accumulations of up to 10cm at Treeline (with another 10 forecast for Friday night).

Up to 35mm of rain Thursday saturated the snowpack into the alpine - this mostly came as heavy snow above 2200m, but was accompanied by strong-extreme SW winds.

There may be a lingering layer of buried surface hoar in the alpine. This could be up to 80cm deep in lee areas.

Weather Summary

A weakening system passes our area tonight, giving snow flurries into Saturday morning.

Tonight: Flurries ~10cm. Alpine Low -6°C. Freezing level (FZL) 1300m. Light Southwest ridge winds.

Sat: Isolated Flurries. Alpine High -2 °C. FZL 1800m. Light SW wind.

Sun: Isolated flurries. Low -3 °C, High 1 °C. FZL 2400m. Light South wind.

Mon: Isolated flurries. Low -1 °C, High 1 °C. FZL 2500m. Light West wind.

Terrain and Travel Advice

  • Snow is accumulating at higher elevations, despite lower elevations being almost snow-free.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.