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Avalanche Forecast

Archived

Jan 5th, 2025–Jan 6th, 2025

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.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

North Columbia, South Columbia, Blue River, Clearwater, Premier, Clemina, Esplanade, Jordan, North Monashee, North Selkirk, Central Selkirk, Gold, Whatshan.

Wind slabs are reactive and can be triggered by riders.

Avoid riding in recently loaded terrain.

Confidence

High

Avalanche Summary

Several skier triggered and some natural windslab avalanches have been reported since Friday. Several loose dry avalanches have been reported in steep terrain since Thursday. Windslabs will continue to be reactive to rider triggers.

Snowpack Summary

In some areas, there's a thin crust over 30 to 50 cm of soft snow. Below that, in sheltered spots, you might find surface hoar (feathery crystals). On south-facing slopes, a crust can be found under the soft snow. Windslabs are present in exposed areas at alpine and treeline elevations.

The surface hoar on the crust/facet layer, found 90 to 160 cm down, is hard to find and likely not a concern north of Highway 5. South of Highway 5 it may linger on north through east aspects between 1700 to 2300 m.

Snow depth at treeline is between 120 and 250 cm.

Weather Summary

Sunday night

Cloudy with 0 to 2 cm of snow. 10 to 20 km/h northwest ridgetop winds. Treeline temperature -6 °C.

Monday

Scattered cloud. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -7 °C.

Tuesday

Mostly sunny. 30 to 50 km/h southwest ridgetop winds. Treeline temperature -4 °C.

Wednesday

Cloudy with 5 to 10 cm of snow. 20 to 40 km/h west ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Stay off recently wind loaded slopes until they have had a chance to stabilize.
  • Be careful with sluffing in steep terrain, especially above cliffs and terrain traps.

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.