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Avalanche Forecast

Archived

Jan 4th, 2025–Jan 5th, 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, Sky Pilot, Tetrahedron.

6AM UPDATE: Less snow fell overnight than expected.

Fresh storm slabs will likely be sensitive to rider triggers on Sunday.

Confidence

Moderate

Avalanche Summary

Our field team reported small skier-triggered wind slabs in steep start zones in the Sky Pilot area on Thursday.

Looking forward, fresh storm slabs will likely be similarly reactive to riders.

Snowpack Summary

15 to 40 cm of new snow sits over old faceted and/or moderately wind affected snow.

A rain crust buried 30 to 50 cm deep appears to be bonding well. The mid and lower snowpack is well consolidated, with several well-bonded crusts scattered throughout.

Snow depth varies from 130 to 250 cm at treeline, tapering quicly with elevation.

Weather Summary

Saturday night

Cloudy with 15 to 30 cm of snow. 30 to 50 km/h south ridgetop wind. Treeline temperature -3 °C.

Sunday

Cloudy. Northwest ridgetop wind easing 30 to 15 km/h. Treeline temperature -1 °C.

Monday

Sunny. 30 to 40 km/h northeast ridgetop wind. Treeline temperature 0 °C. Freezing level rising to 2500 m.

Tuesday

A mix of sun and cloud. 20 to 40 km/h southwest ridgetop wind. Treeline temperature +1 °C. Freezing level 2800 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Keep your guard up as storm slabs may remain sensitive to human triggering.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.

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.