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Avalanche Forecast

Archived

Nov 26th, 2022–Nov 27th, 2022

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

Regions

Vancouver Island, East Island, North Island, South Island, West Island.

Cautiously assess conditions as you travel - the fresh snow may produce reactive slabs or, more likely, hide early season hazards.

Confidence

Moderate

Avalanche Summary

Observations are limited at this time of year. No new avalanches have been reported or observed. If you do head into the backcountry consider submitting a MIN report!

Snowpack Summary

A variable snowpack depth of between 20-100 cm exists in the region. Expect early season conditions and rugged travel. Below treeline is below the threshold for avalanches.

Weather Summary

Saturday night

Heavy precipitation and extreme southwest wind peak around midnight before temperatures cool and winds decrease. 10-30 mm precipitation overnight, ridgeline high +4 C, snow-rain line peaking around 1400 m.

Sunday

Up to 20 cm moist snow accumulating at the highest elevations. Northwest wind decreasing to moderate through the day, treeline temperatures dropping to -6 C, and freezing level dropping below 500 m.

Monday

Mix of sun and cloud. Light to moderate north wind. Treeline temperature around -5 C. Freezing level 300 m.

Tuesday

Mix of sun and cloud. Light to moderate north wind. Treeline temperature around -5 C. Freezing level 300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Investigate the bond of the recent snow before committing to your line.
  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.

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.