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Avalanche Forecast

Archived

Feb 24th, 2026–Feb 25th, 2026

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

Regions

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

New snow and wind loading may have formed reactive wind slabs, particularly on north through east–facing slopes.

It's a good day to stick to conservative terrain sheltered from the wind.

Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.
  • We are uncertain due to the variability of wind effect on the snowpack.

Avalanche Summary

No new avalanches reported on Monday.

Numerous natural storm slab avalanches (size 1.5) were reported on Sunday. Reports of widespread cracks and whumpfs in the upper snowpack were seen in flats with audible avalanche activity throughout the storm.

Reactive wind slabs may be found in the alpine and treeline on Wednesday.

Snowpack Summary

Over the past four days, over 100 cm of new snow has fallen on a widespread layer of surface hoar ranging from 30 mm below treeline to 5 mm in the alpine.

A crust from early February is down 90 to 150 cm and in most areas appears to be well bonded. However, snowpack tests showed concerning results on this layer in the Prince of Wales range last Wednesday.

The remainder of the snowpack is well settled. The snowpack depth at treeline ranges from 95 to 200 cm, and there is still very little snow below treeline.

Weather Summary

Tuesday Night
Mostly cloudy. Trace of snow. 30 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 800 m.

Wednesday
Cloudy. 2 to 10 mm of precipitation as snow or rain at treeline. 50 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1000 m.

Thursday
Mostly cloudy. 2 to 20 mm of precipitation as snow or rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1100 m.

Friday
Mostly cloudy. 3 to 5 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 900 m.



More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to isolated wind affected features in the alpine, as well as cross-loaded features at treeline.
  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.
  • Recent strong wind means wind slabs may be found farther downslope than expected.
  • Surface hoar distribution is highly variable. Avoid generalizing your observations.

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.