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Avalanche Forecast

Archived

Dec 7th, 2025–Dec 8th, 2025

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, 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

South Coast, North Shore, Sasquatch, Sasquatch, Tetrahedron.

A big storm is forecast, bringing significant rain amounts and strong winds that will make travel challenging.

Watch for changing conditions with elevation.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported. However, observations are extremely limited in this area.

If you're heading out into the backcountry, please consider sharing your observations on the MIN.

Snowpack Summary

Up to 70 mm of rain is expected to fall overnight and through Monday. The highest elevations may see some snow falling at times, but freezing levels are expected to rise above mountain tops by Monday afternoon. This will saturate and considerably melt the current snowpack, which diminishes rapidly as you lose elevation. Currently, treeline elevation is estimated to have between 30 to 80 cm of snow.

For more details, check out this recent MIN report from the Mt.Harvey area.

Weather Summary

Sunday Night
Cloudy. 5 to 10 mm of snow or rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1300 m.

Monday
Cloudy. 40 to 60 mm of rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level rising to 2200 m.

Tuesday
Mostly cloudy. 10 to 20 mm of precipitation as snow or rain at treeline. 40 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.

Wednesday
Cloudy. 30 to 50 mm of rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level rising to 2000 m.




More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avalanche danger will rapidly increase if snow switches to rain.
  • Make conservative terrain choices and avoid overhead hazard.
  • 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.