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Avalanche Forecast

Archived

Mar 7th, 2025–Mar 8th, 2025

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 avalanches possible, human triggered probable.
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, Harrison-Fraser.

Travel in avalanche terrain is not recommended on Saturday.

Dial back your terrain choices if you are seeing more than 30 cm of new snow.

Confidence

High

Avalanche Summary

No new avalanches were reported by 4 pm on Friday.

With significant new snow and strong wind in the forecast for the weekend, we anticipate widespread avalanche activity will be very likely on Saturday.

If you are headed to the backcountry, please consider sharing your photos and observations from your day on the Mountain Information Network.

Snowpack Summary

10 to 20 cm of snow could accumulate by Saturday morning, and an additional 30 to 60 mm of mixed precipitation is expected through the day. Storm snow covers a thick a crust except on high north facing terrain, where new snow buries up to 20 cm of dense snow overlying a crust from earlier in March. Below this crust is a generally moist upper snowpack.

The mid and lower snowpack contain several crusts that are not concerning.

Weather Summary

Friday

Cloudy with flurries, 10 to 20 mm of mixed precipitation. 40 to 50 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1000 m.

Saturday

Cloudy with heavy flurries, 30 to 60 mm of mixed precipitation. 50 to 60 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level rises to 1500 m.

Heavy precipitation continues overnight, 25 to 50 mm of mixed precipitation

Sunday

Cloudy with heavy flurries, 20 to 50 mm of mixed precipitation. 50 to 70 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level around 1200 m.

Monday

A mix of sun and cloud. 20 to 30 km/h northwest ridgetop wind. Treeline temperature -5 °C. Freezing level around 500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • It's a good day to make conservative terrain choices.
  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • Avoid avalanche terrain during periods of heavy snowfall.
  • Avoid freshly wind-loaded terrain features.

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.