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Avalanche Forecast

Archived

Nov 25th, 2024–Nov 26th, 2024

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
Below Threshold.

Regions

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

Use caution as you venture into wind affected terrain.

Wind slabs may still be sensitive to rider traffic, especially in the alpine.

Confidence

Moderate

Avalanche Summary

We have received reports of a few small storm slabs that were human and naturally triggered.

Check out this detailed MIN of a skier triggered size one.

Please consider filling out a MIN if you are out in the mountains.

Snowpack Summary

30 to 100 cm of snow fell over the weekend. This snow was accompanied by moderate to strong southeast winds which likely formed larger deposits on north and west aspects.

The snowpack is still very shallow with only the snow from this past weekends storm covering the ground at low elevations.

Check out this MIN from Cokely.

Weather Summary

Monday Night

Clear with no snow expected. 5 to 10 km/h northwest ridgetop wind. Treeline temperature -1°C.

Tuesday

Sunny in the morning, a mix of sun and cloud in the afternoon, no snow expected. 5 to 10 km/h southwest ridgetop wind. Treeline temperature -2°C.

Wednesday

A mix of sun and cloud with up to 5 cm of snow possible. 5 to 15 km/h west ridgetop wind. Treeline temperature -3°C.

Thursday

Cloudy with up to 5 cm of snow possible. 15 to 30 km/h southwest ridgetop wind. Treeline temperature -2°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.
  • 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.