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Avalanche Forecast

Archived

Apr 12th, 2025–Apr 13th, 2025

Alpine
Natural avalanches unlikely.
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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

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

Up to 15 cm of recent snow in the alpine and strong southerly wind may have formed small wind slabs at upper elevations.

Confidence

High

Avalanche Summary

No new avalanches were reported on Friday.

NOTE: Observations are currently very limited in this region.

Snowpack Summary

Up to 15 cm of recent snow in the alpine and strong southerly wind may have formed wind slabs at upper elevations. The recent snow sits on top a crust.

Recent snow amounts taper quickly with elevation.

The snowpack is generally well-settled and strong.

Lower elevations continue to melt out rapidly.

Weather Summary

Saturday Night

Clear. 5 to 10 km/h west ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Sunday

Mix of sun and cloud. 5 to 10 km/h southeast ridgetop wind. Treeline temperature 2 °C. Freezing level 1700 m.

Monday

Mostly cloudy. 5 to 10 km/h variable ridgetop wind. Treeline temperature 7 °C. Freezing level 2400 m.

Tuesday

Sunny. 10 to 20 km/h northwest ridgetop wind. Treeline temperature 4 °C. Freezing level 2100 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Carefully evaluate steep lines for wind slabs.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

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.