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Avalanche Forecast

Archived

Apr 25th, 2025–Apr 28th, 2025

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.
Below Treeline
Natural avalanches unlikely.

Regions

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

Start early and continue to manage overhead hazards.

This is our final daily forecast for the season.

Confidence

Moderate

Avalanche Summary

No new avalanches were reported on Thursday.

NOTE: Observations in this region are currently very limited.

Snowpack Summary

A typical spring diurnal pattern is in effect at upper elevations. Daytime warming melts and softens the upper snowpack, and overnight cooling usually forms a hard crust at higher elevations.

Freezing levels are expected to reach 2500 m with very limited cooling and crust recovery overnight. Lower elevations may not refreeze and are experiencing an all-melt, no freeze scenario, and are melting out quickly.

Weather Summary

Friday Night

Clear skies. 10 to 20 km/h southwest ridgetop wind. Treeline temperature 8 °C. Freezing level 2500 m.

Saturday

Sunny. 5 to 10 km/h southwest ridgetop wind. Treeline temperature 8 °C. Freezing level 2400 m.

Sunday

Sunny. 10 to 20 km/h northwest ridgetop wind. Treeline temperature 9 °C. Freezing level 2500 m.

Monday

Cloudy with flurries, 5 to 15 cm snow (above 1500 m.) 40 to 50 km/h southwest ridgetop wind. Treeline temperature 4 °C. Freezing level 1800 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Start your day early and be out of avalanche terrain during the heat of the day.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.

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.