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Avalanche Forecast

Archived

Mar 3rd, 2025–Mar 4th, 2025

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

Regions

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

Avalanche danger will start out at LOW and may increase to MODERATE in areas where sufficient snow accumulates by end of the day Tuesday.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported. Looking forward, wind slab avalanches become increasingly likely as new snow arrives.

Snowpack Summary

5 to 15 cm of new snow accumulates over a widespread surface crust. Below, the upper snowpack is wet. Where still intact, a crust buried in January may be found 100 to 150 cm deep. Below this, the snowpack is well bonded and stable. At lower elevations, snow coverage is thin.

Weather Summary

Monday night

Cloudy. 10 to 20 km/h southeast ridgetop wind. Treeline temperature -1°C. Freezing level 1000 m.

Tuesday

Cloudy with 5 to 15 cm of snow. 50 to 70 km/h southwest ridgetop wind. Treeline temperature -2°C. Freezing level around 1100 m.

Wednesday

Cloudy with 5 to 10 cm of snow. 10 to 30 km/h southeast ridgetop wind. Treeline temperature -2°C. Freezing level around 1100 m.

Thursday

Sunny. 20 to 30 km/h northwest ridgetop wind. Treeline temperature 0°C. Freezing level around 1700 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Closely monitor how the new snow is bonding to the crust.

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.