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Avalanche Forecast

Archived

Mar 15th, 2026–Mar 16th, 2026

Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural and human triggered avalanches likely.
Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural and human triggered avalanches likely.
Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural and human triggered avalanches likely.

Regions

South Coast, Powell River, North Shore, Tetrahedron.

High avalanche danger. Avoid avalanche terrain and exposure to runout zones.

Confidence

Moderate

  • We are uncertain due to rapidly changing freezing levels.

Avalanche Summary

No recent avalanche activity has been reported.

Expect widespread natural avalanches during the forecast period.

Snowpack Summary

Up to 30 cm of snow is expected to fall overnight, with another 30 to 35 mm of precipitation on Monday. In the south of the region, freezing levels will reach 2000 m. This falls on a thin crust, and possibly wind-affected snow at higher elevations.

A thick, widespread crust is buried in early march is 40 to 60 cm deep. Below it, the snowpack is generally settled and well-bonded.

Weather Summary

Sunday Night

Cloudy. 20 to 25 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Monday

Cloudy. 30 to 35 mm of rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1700 m.

Tuesday

Cloudy. 60 to 85 mm of rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2200 m.

Wednesday

Cloudy. 60 to 80 mm of rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature 4 °C. Freezing level 2200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to changing conditions throughout the day.
  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • As the storm slab problem worsens, the easy solution is to choose more conservative terrain.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.

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.