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Avalanche Forecast

Archived

Feb 10th, 2024–Feb 11th, 2024

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, Esplanade, Jordan, North Monashee, North Selkirk, Shuswap, West Purcell, Badshot-Battle, Central Selkirk, Goat, Gold, North Okanagan, Valhalla, Whatshan.

There is the potential for loose dry and wind slab avalanches to be triggered in steep terrain.

Confidence

High

Avalanche Summary

On Wednesday, two human triggered, size 2, wind slab avalanches were reported on northerly aspects in the alpine. They occurred in steep wind-loaded terrain and released above the crust. See MIN's here and here for details and photos.

Snowpack Summary

Anywhere from 15 to 35 cm of dry snow sits atop a widespread, hard crust. In general, the crust is strong and thick enough to be supportive to travel on up to 2400 m where it tapers out.

In the mid and lower snowpack, various weak layers persist in areas, however, triggering any of these layers is unlikely where they are capped by the supportive crust above.

Weather Summary

Saturday Night

Cloudy, 20 to 40 km/h west alpine winds, treeline temperature -5 °C.

Sunday

Cloudy with 5 to 10 cm of snow, 10 to 30 km/h southwest alpine winds, treeline temperature - 5 °C.

Monday

Cloudy with 5 to 15cm of snow, 20 to 40 km/h west alpine winds, treeline temperature -3 °C.

Tuesday

Mix of sun and cloud, 10 to 30 km/h north alpine winds, treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be carefull around freshly wind loaded features.
  • Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.

Problems

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.

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.