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Avalanche Forecast

Archived

Nov 24th, 2025–Nov 25th, 2025

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

Regions

Glacier.

Recent heavy snowfall has drastically changed the snowpack. Continue to give it more time to settle and stabilize.

Make ongoing snowpack assessments as you move into new terrain.

Confidence

Moderate

Avalanche Summary

We experienced a widespread natural avalanche cycle in the Park on Sat evening and into Sunday. Lots of evidence of this cycle is still easy to see.

The Min reports of large avalanches in the Connaught drainages are worth a read.

Natural activity has slowed down but human triggering remains possible.

Snowpack Summary

40- 60 cm of new storm snow fell over the weekend. Mid storm winds have created wind effect in the Alpine and exposed tree line areas.

This storm snow sits on a crust that exists up to approximately 2200m. Steep solar slopes have a suncrust down 30-40

Early season hazards exist below treeline with a low early season snowpack.

Weather Summary

A high pressure system will bring clearing skies and cooler temps

Tonight Cloudy with clear breaks. Trace precipitation. Alpine Low -11°C. Freezing Level (FZL) at Valley Bottom. Wind SW 10-20 km/h

Tue Cloudy with sunny periods & flurries. High -9. FZL 1000m. Wind SW 15-30 km/hr

Wed Mainly Cloudy with flurries. Trace precip. Alp High -6. FZL 1200

Thur Cloudy with flurries. FZL 1300m. Wind: light from the East

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Make observations and continually assess conditions as you travel.

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.