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Avalanche Forecast

Archived

Apr 5th, 2024–Apr 6th, 2024

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

Regions

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

Mainly cloudy and cool at upper elevations will maintain surface crusts and keep the avalanche danger at Low.

Confidence

High

Avalanche Summary

No recent avalanche activity has been reported.

Snowpack Summary

Expect to find a melt-freeze crust or moist snow on the surface. The remainder of the snowpack, below the crust, is generally settled and well-bonded.

Below treeline, slopes are largely below the threshold for avalanches.

Weather Summary

Friday Night

Mainly clear. 10 to 30 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1200 m.

Saturday

Mainly cloudy with 1 to 3 cm of snow above 1200 m. 15 to 25 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.

Sunday

Mainly cloudy with 1 to 2 cm of snow above 1200 m. 10 to 30 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.

Monday

Mainly cloudy with 5 to 15 cm of snow above 1400 m. 30 to 60 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • A moist or wet snow surface, pinwheeling and natural avalanches are all indicators of a weakening snowpack.
  • Carefully evaluate steep lines for wind slabs.

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.