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Avalanche Forecast

Archived

Mar 11th, 2026–Mar 12th, 2026

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, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

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

Recently accumulated storm snow atop a crust has created dangerous avalanche conditions in many areas.

Use extra caution in wind-loaded terrain or anywhere over ~40 cm sits atop the crust.

Confidence

Moderate

  • We are uncertain due to a limited number of field observations.
  • We are uncertain about forecast snowfall amounts.

Avalanche Summary

No recent avalanche activity has been reported.

If you head out, please consider posting your observations to the Mountain Information Network.

Snowpack Summary

Approximately 50 cm or more of recent snow has buried a widespread crust formed last weekend. Strong winds have redistributed this snow in exposed terrain, while the snow remains generally low-density in sheltered terrain.

Below the crust, the remainder of the snowpack is generally settled and well-bonded.

Read the MIN from the local AvCan field team for more details on North Island conditions.

Weather Summary

Wednesday Night
Cloudy. 10 to 20 cm of snow. 60 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 800 m.

Thursday
Mostly cloudy. 5 to 10 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -6 °C.

Friday
Mostly cloudy. 3 to 10 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -5 °C.

Saturday
Mostly sunny. 1 to 4 cm of snow. 30 km/h northwest ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • As the storm slab problem worsens, the easy solution is to choose more conservative terrain.
  • Avoid freshly wind-loaded terrain features.
  • 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.