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Avalanche Forecast

Archived

Apr 5th, 2025–Apr 6th, 2025

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.
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.

Pockets of stiff wind slab may form where dry snow accumulates in the alpine.

At lower elevations, rain will percolate through a dense, well-settled snowpack.

Confidence

Moderate

Avalanche Summary

No significant avalanches have been observed since last weekend.

Snowpack Summary

At higher elevations, new snow accumulates atop a 5 to 20 cm thick surface crust, while lower-down rain will continue to melt and percolate through a dense, well-bonded snowpack.

The height of snow at treeline is roughly 250 cm.

Weather Summary

Saturday Night

Cloudy with rain, 5 to 15 mm. 50 to 70 km/h southwest ridgetop wind. Treeline temperature rising to +3 °C.

Sunday

Cloudy with mixed precipitation, 5 to 15 mm. 40 to 80 km/h south ridge top wind. Treeline temperature drops to 0 °C.

Monday

Cloudy with mixed precipitation, 5 to 10 mm. 40 to 80 km/h southwest ridge top wind. Treeline temperature 0 °C.

Tuesday

Cloudy with mixed precipitation, 5 to 30 mm. 40 to 80 km/h southwest ridge top wind. Treeline temperature 0 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.

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.