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Avalanche Forecast

Archived

Jan 6th, 2025–Jan 7th, 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 can still be triggered by riders.

Be careful as you transition into wind-affected terrain.

Confidence

High

Avalanche Summary

Several skier-triggered and natural wind slab avalanches were reported on Friday and Saturday. Although avalanches have tapered off in the last few days, wind slabs may still be reactive to riders.

Snowpack Summary

5 to 10 cm of new snow covers a thin crust in some areas. A spotty layer of surface hoar (feathery crystals) is found 40 to 50 cm deep. On south-facing slopes, this layer is a crust.

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.

Weather Summary

Monday night

Mostly clear. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -6 °C.

Tuesday

Mostly sunny. 20 to 30 km/h west ridgetop winds. Treeline temperature -5 °C.

Wednesday

Cloudy with 5 to 10 cm of snow. 30 to 60 km/h west ridgetop wind. Treeline temperature -5 °C.

Thursday

Scattered cloud. 20 to 30 km/h southwest wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • Use ridges or ribs to avoid areas of wind-loaded snow.
  • Avoid areas where the snow feels stiff and/or slabby.

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.