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Avalanche Forecast

Archived

Apr 9th, 2025–Apr 10th, 2025

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.
Below Treeline
Natural avalanches unlikely.

Regions

South Coast, Powell River, North Shore, Sasquatch, Sasquatch, Sky Pilot, Tetrahedron.

Danger is expected to rise Thursday afternoon with the arrival of strong winds, rain, and snowfall at higher elevations.

Confidence

Moderate

Avalanche Summary

New avalanche problems will develop Thursday afternoon, with wind slabs forming above the snow line and wet loose avalanches below.

A few small (size 1) skier-triggered slabs were reported on Mount Seymour on Tuesday.

Snowpack Summary

Climbing freezing levels are turning recent snow wet. Freezing levels will peak near 2000 m on Thursday morning before dropping in the afternoon as a windy storm brings 10 to 20 mm of precipitation. Expect rain up to at least 1500 m, with increasing, wind-affected snowfall at higher elevations.

Lower elevations are melting out quickly.

Weather Summary

Wednesday Night

Cloudy with 1 to 3 cm of snow above 1300 m. 40 km/h southeast ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.

Thursday

Cloudy with 10 to 20 mm of precipitation, snow possible above 1500 m. 60 km/h southeast ridgetop wind. Treeline temperature +1 °C. Freezing level drops from 2000 to 1500 m.

Friday

Partly cloudy with 1 to 5 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1200 m.

Saturday

Mix of sun and cloud with 1 to 3 cm of snow. 20 km/h northwest ridgetop wind. Treeline temperature -5 °C. Freezing level 1000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avalanche danger is expected to increase throughout the day.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Avoid freshly wind-loaded terrain features.

Problems

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.

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.