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Avalanche Forecast

Archived

Nov 23rd, 2025–Nov 24th, 2025

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

40-60 cm of fresh snow over the weekend will need time to settle. This is a big change to our immature snowpack.

Travel at lower elevations has improved but be mindful of your overhead hazard.

Confidence

Moderate

Avalanche Summary

Limited visibility during the storm. A widespread natural cycle was picked up by our detection network in the the highway corridor on Sat evening and on Sunday.

Natural activity is expected to slow down on Monday but human remains LIKELY.

Snowpack Summary

40- 60 cm of snow from the weekends storm has been redistributed by moderate to strong wind with variable direction. This storm snow sits on a crust that exist up to 2200m and extends into the alpine on solar aspects.

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

Weather Summary

Temperatures dropping & skies clearing

Tonight Mainly cloudy, isolated flurries. Trace precipitation.. Alpine Low -8°C. Freezing Level (FZL) 1000m. Wind 10-25 km/h NW

Mon Cloudy with sunny periods. Isolated Flurries. Trace precip. Alp High -8. FZL 900m. Wind W 15km/h

Tue Cloudy with sunny periods. Isolated Flurries. High -10. FZL 800m. Wind SW 15-25

Wed Mainly Cloudy, Isolated Flurries. Trace precip. FZL 1300

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Make conservative terrain choices and avoid overhead hazard.
  • Avoid lee and cross-loaded slopes at alpine and treeline elevations.

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.

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.