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Avalanche Forecast

Archived

Nov 23rd, 2024–Nov 24th, 2024

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 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.

Regions

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

Choose low consequence slopes in areas where the snowpack is above threshold for avalanches.

Storm slabs are likely still rider triggerable.

Confidence

Moderate

Avalanche Summary

No avalanche observations have been reported yet this season.

Please consider filling out a MIN if you are out in the mountains.

Snowpack Summary

Storm snow continues to accumulate in the mountains. This recent snow has been accompanied by strong south easterly winds likely forming larger slabs on north and west aspects.

Various hard surfaces, including crusts or previously wind-affected snow, may exist below the recent storm snow.

Weather Summary

Saturday Night

Cloudy with up to 30 cm of new snow, greatest accumulation expected on the west side of the Island. 15 to 40  km/h southeast ridgetop wind. Treeline temperature -3°C.

Sunday

Cloudy with up to 15 cm of new snow. 20 to 40 km/h east ridgetop wind. Treeline temperature -3 °C.

Monday

Cloudy clearing to a mix of sun and cloud with trace amounts of new snow. 5 to 15 km/h variable ridgetop wind. Treeline temperature -2°C.

Tuesday

A mix of sun and cloud. 5 to 10 km/h southwest ridgetop wind. Treeline temperature -2°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid avalanche terrain during periods of heavy snowfall.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Be cautious of buried obstacles, especially below treeline.

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.