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Avalanche Forecast

Archived

Mar 9th, 2025–Mar 10th, 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 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, human triggered possible.

Regions

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

Dangerous avalanche conditions exist. Careful snowpack evaluation, cautious route-finding, and conservative decision-making are essential.

Confidence

High

Avalanche Summary

No new avalanches were reported by 4 pm on Sunday.

On Saturday, several human-triggered size 1 storm slab avalanches were reported on north and west facing slopes below ridgecrests.

If you are headed to the backcountry, please consider sharing your photos and observations from your day on the Mountain Information Network.

Snowpack Summary

30 to 55 centimeters of storm snow blankets the region. Ongoing moderate southwest winds have redistributed storm snow into deep pockets on lee slopes at the ridgeline. Storm snow covers a thick a crust except on high north facing terrain, where new snow buries 5 to 20 cm of dense snow overlying a crust from earlier in March.

The mid and lower snowpack is strong and dense.

Weather Summary

Sunday Night

Cloudy with light flurries, up to 2 cm of snow. 20 to 30 km/h west ridgetop wind. Treeline temperature -4 °C. Freezing level 700 m.

Monday

Cloudy with light flurries, 2 to 5 cm of snow. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1000 m.

Flurries intensify overnight, 5 to 20 cm of snow.

Tuesday

Partly cloudy with light flurries, 2 to 5 cm of snow. 10 to 25 km/h south ridgetop wind. Treeline temperature -4 °C. Freezing level 800 m.

Wednesday

Partly cloudy with light flurries, 2 to 6 cm of snow. 10 to 25 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind-loaded terrain features.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.

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.