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Avalanche Forecast

Archived

Feb 11th, 2025–Feb 12th, 2025

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

Regions

Akamina, Crowsnest North, Crowsnest South, Elkford East.

Stiff wind slabs in the alpine may be reactive to human triggers. Seek out areas that have been sheltered from the wind for the lowest avalanche danger and the best riding.

Confidence

Moderate

Avalanche Summary

Small dry loose avalanches were observed in steep south facing terrain on Monday. No slab avalanches have been reported in a few days.

If you head into the backcountry consider submitting a MIN post!

Snowpack Summary

Previous strong to extreme westerly wind has scoured slopes in the alpine and formed wind slab on east facing terrain.

20 to 40 cm of faceted snow overlies a weak layer from late January. This layer consists of a crust on sun exposed slopes and a layer of surface hoar on all other aspects.

The mid and lower snowpack is generally well settled.

Weather Summary

Tuesday Night

Cloudy with isolated flurries. 15 km/h north ridgetop wind. Treeline temperature -25 °C.

Wednesday

A mix of sun and cloud with a trace of new snow. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -18 °C.

Thursday

A mix of sun and cloud. 10 to 20 km/h east ridgetop wind. Treeline temperature -18 °C.

Friday

Cloudy with new snow up to 5 cm. 10 km/h southwest ridgetop wind. Treeline temperature -15 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

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

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.