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Avalanche Forecast

Archived

Feb 21st, 2024–Feb 22nd, 2024

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

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

As temperatures rise throughout the day, the risk of wet loose avalanches will increase.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported since last week.

Snowpack Summary

Approximately 10 to 30 cm of new snow sits atop a variety of surfaces. These old surfaces include sun crusts on south-facing slopes, old wind slabs in exposed terrain, and up to 20 cm of soft, faceted snow on sheltered north-facing terrain.

The mid and lower pack contains deteriorating old crusts and storm layers that are now for the most part dense, homogenous, and moist.

Below treeline, most areas are below the threshold for forming avalanches.

Weather Summary

Wednesday Night

Cloudy with 0 to 2 cm of snow. 10 to 30 km/h southeast ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Thursday

Cloudy with 0 to 5 cm of snow. 10 to 20 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1400 m.

Friday

Partly cloudy with no new snow. 20 to 40 km/h west ridgetop wind. Treeline temperature +1 °C. Freezing level 1500 m.

Saturday

Cloudy with 0 to 2 cm of snow. 30 to 50 km/h northwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1100 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The more the snow feels like a slurpy, the more likely loose wet avalanches will become.
  • Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.

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.