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Avalanche Forecast

Archived

Nov 26th, 2024–Nov 27th, 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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

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

Assess steep terrain for wind slabs before committing.

Confidence

Moderate

Avalanche Summary

Small (size 1) human-triggered slab avalanches were reported over the weekend. These slabs have likely stabilized in most areas.

Snowpack Summary

Recent storm snow (30 to 100 cm) has likely settled and bonded, but small wind slabs may be possible on north and west-facing alpine features. Snow coverage remains thin at lower elevations.

Weather Summary

Tuesday Night

Partly cloudy. 20 km/h west ridgetop wind. Treeline temperature -5 °C.

Wednesday

Mix of sun and cloud. 20 km/h west ridgetop wind. Treeline temperature -3 °C.

Thursday

Cloudy with up to 5 cm of snow possible. 30 km/h southwest ridgetop wind. Treeline temperature -2 °C

Friday

5 to 10 cm of snow overnight then clearing skies throughout the day. 20 km/h northwest ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The snowpack is generally stable; it may be appropriate to step out into more complex terrain.
  • Carefully evaluate steep lines for wind slabs.
  • Be cautious of buried obstacles, especially below treeline.

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.