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Avalanche Forecast

Archived

Mar 4th, 2025–Mar 5th, 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, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

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

Fresh wind slabs will form as new snow and wind bury a slippery crust.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported. Looking forward, wind slab avalanches become increasingly likely as new snow accumulates.

Snowpack Summary

Up to 30 cm of recent snow sits on a widespread surface crust. Below, the upper snowpack is moist.

Several decomposing crusts may be found in the mid-snowpack. The most prominent was buried in late December and continues to produce snowpack test results. The remainder of the snowpack is dense and well-bonded.

Weather Summary

Tuesday Night

Cloudy with 5 to 15 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Wednesday

Cloudy with 0 to 5 cm of snow. 10 to 20 km/h south ridgetop wind. Treeline temperature -4 °C.

Thursday

Sunny. 20 to 40 km/h northeast ridgetop wind. Treeline temperature -1 °C.

Friday

Partly cloudy. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Closely monitor how the new snow is bonding to the crust.

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.