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Avalanche Forecast

Archived

Nov 27th, 2021–Nov 28th, 2021

Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural and human triggered avalanches likely.
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 possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.

Regions

Glacier.

Another juicy storm is upon us and could bring up to 50cm within the next 24hrs.

Avoid avalanche terrain for the time being as the snowpack adjusts to the additional load.

It would be a good time to check out the recently opened ski resorts!

Weather Forecast

Snovember! Another moist storm system rolls in from the coast, delivering up to 50cm of snow through Saturday night and into Sunday evening. Winds will be 30-50km/hr from the South West and the freezing level could rise as high as 1900m.

There will be a slight lull in the weather on Monday, but Tuesday - Thursday could see up to 50-60cm.

Snowpack Summary

60cm of recent storm snow with 20-40km/hr South winds have built fresh slabs in the alpine. The mid and lower snowpack is generally rounded and well bonded. Below 1900m the November 15th crust exists in the mid-snowpack. Early season hazards have been freshly buried below 1700m, slide over the lumps and bumps with caution.

Avalanche Summary

Natural avalanche activity will increase over the next 24 hours as a significant storm pushes into the region. Avoid all avalanche terrain during this time period.

Friday saw a widespread avalanche cycle up to size 3.0 from steep, wind loaded terrain.

Confidence

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.