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Avalanche Forecast

Archived

Mar 17th, 2026–Mar 18th, 2026

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

Regions

South Coast, Powell River, North Shore, Sasquatch, Tetrahedron, Skagit.

Although the high avalanche hazard has passed, remain cautious and assess the stability of the surface snow before committing yourself to avalanche terrain.

Confidence

Moderate

  • We are uncertain due to a limited number of field observations.
  • We are uncertain about how quickly the snowpack will recover and gain strength.

Avalanche Summary

The avalanche cycle has likely slowed down due to the amount of precipitation that has already fallen.

If you are going into the field, please support the forecast by posting a MIN.

Snowpack Summary

64 to 130 mm of precipitation will fall by Wednesday morning with another 5 to 15 mm during the day. Freezing levels peak Tuesday night around 2400 m and will drop down to 2100 m during the day on Wednesday. Expect wet, saturated snow in the upper snowpack.

A thick, widespread crust, buried in early March, is 30 to 80 cm deep. Below it, the snowpack is generally settled and well-bonded.

Weather Summary

Tuesday Night

Cloudy. 30 to 60 mm of rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature 4 °C. Freezing level 2400 m.

Wednesday

Cloudy. 4 to 15 mm of rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature 4 °C. Freezing level 2100 m.

Thursday

Cloudy. 50 to 65 mm of rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2000 m.

Friday

Cloudy. 70 to 125 mm of rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2100 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid terrain traps such as gullies and cliffs where the consequence of any avalanche could be serious.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.

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.