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Avalanche Forecast

Archived

Mar 28th, 2025–Mar 29th, 2025

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

Regions

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

Where theres dry snow (at the highest elevations), check for wind slabs around ridgelines and in leeward terrain.

Confidence

Moderate

Avalanche Summary

A widespread avalanche cycle up to size 3 was reported on Wednesday, avalanche activity has since tapered.

Snowpack Summary

At upper elevations, upwards 0f 20 cm wet flurries accumulated through Friday. Below 1100 m, the upper snowpack is wet and unconsolidated from above-freezing temperatures and rain.

A robust crust, formed in early March, can be found in the mid-pack. The snow above is well bonded to this crust. Below this, the snowpack is well consolidated and strong.

Weather Summary

Friday Night

Cloudy with wet flurries, up to 10 cm falling as snow above 1000 m. 50 km/h south ridgetop winds. Treeline temperature -2 °C. Freezing level 1100 m.

Saturday

Wet flurries and snow, 5 to 15 cm falling as snow above 1300 m. 20 to 40 km/h south ridgetop winds. Treeline temperature -1 °C. Freezing level 1200 m.

Sunday

Mostly sunny. No new precipitation. 20 to 50 km/h southeast ridgetop winds. Treeline temperature 1 °C. Freezing level 1500 m.

Monday

Increasing clouds. 20 to 40 km/h southwest ridgetop wind. Treeline temperature +1 °C. Freezing level 1300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind-loaded terrain features.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Approach lee and cross-loaded slopes with caution.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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 Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.