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Avalanche Forecast

Archived

Jan 9th, 2025–Jan 10th, 2025

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, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

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

UPDATED AT 06:30 AM.

Be extra cautious at higher elevations, where fresh snowfall may have formed reactive storm slabs.

Confidence

High

Avalanche Summary

No new avalanches have been observed in the past few days. Conditions will change on Friday as new snow and wind form fresh, reactive slabs.

Snowpack Summary

Up to 30 cm of new snow overlies a thin crust at treeline and below and into the alpine on sunny slopes. Surface hoar may be preserved in sheltered areas. At lower elevations, a moist snow surface can be expected where precipitation falls as rain.

The mid and lower snowpack is well consolidated, with several well-bonded crusts scattered throughout.

Snow depth has been reported as 330 cm at 1700 m, tapering quickly at lower elevations below treeline.

Weather Summary

Thursday Night

Cloudy with 10 to 20 cm of new snow. 30 to 70 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level drops to 1000 m.

Friday

Cloudy with up to 10 cm of new snow. 30 to 70 km/h northwest ridgetop wind. Treeline temperature -4 °C.

Saturday

A mix of sun and cloud with isolated flurries. 15 to 40 km/h northwest ridgetop wind. Treeline temperature -4 °C.

Sunday

Mostly sunny with valley cloud. 15 to 40 km/h north ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Choose low-angled, sheltered terrain where new snow hasn't been wind-affected.
  • Avoid freshly wind-loaded features, especially near ridge crests, rollovers, and in steep 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.