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Avalanche Forecast

Archived

Mar 5th, 2025–Mar 6th, 2025

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

Regions

South Coast, Powell River, North Shore, Sasquatch, Sasquatch, Sky Pilot, Tetrahedron.

Keep an eye on the effects of warming and solar input throughout the day

Avalanche activity will likely increase when the snow surface feels moist

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in the past 3 days at the time of publishing. We suspect that human triggered avalanches could have occurred during the day on Wednesday.

Snowpack Summary

Up to 30 cm of recent snow sits on a widespread surface crust. Below, the upper snowpack is moist.

The snow surface will likely become moist during the day on all aspects and elevations except for high north facing slopes.

Several decomposing crusts may be found in the mid snowpack.  The remainder of the snowpack is dense and well-bonded.

Weather Summary

Wednesday Night

Partly cloudy. 10 to 20 km/h northeast ridgetop wind. Freezing level around 1300 m.

Thursday

Mostly sunny. 10 to 20 km/h north ridgetop wind. Freezing level rising to 1700 m.

Friday

Mix of sun and cloud. 15 to 30 km/h south ridgetop wind. Treeline temperature -1 °C.

Saturday

Cloudy with up to 50 mm of mixed precipitation. 40 to 60 km/h south ridgetop wind. Treeline temperature -1 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Use ridges or ribs to avoid areas of wind-loaded snow.
  • Be alert to conditions that change with elevation and sun exposure.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.

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.

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.