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Avalanche Forecast

Archived

Feb 11th, 2024–Feb 12th, 2024

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

North Rockies, Sugarbowl, East Kakwa, Kakwa, McGregor, Pine Pass, Renshaw, Robson, Tumbler.

Forecast northwest wind on Monday may form new wind slabs on aspects that are generally windward.

Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.

Confidence

High

Avalanche Summary

No new avalanches were reported in this region on Saturday.

If you head into the backcountry, consider posting to the mountain information network.

Snowpack Summary

10-25 cm of recent snow and forecast moderate northwest wind may form new wind slabs on generally windward aspects. The recent snow overlies a widespread crust.

Various weak layers persist in the mid to lower snowpack, however, triggering these layers is unlikely where they are capped by a thick crust.

Areas in the east of the region are largely characterized by a shallow and faceted snowpack.

Weather Summary

Sunday Night

Cloudy with 0 to 5 cm of snow. 30 to 40 km/h northwest ridgetop wind. Treeline temperature -7 °C.

Monday

Mostly sunny. 30 to 40 km/h northwest ridgetop wind. Treeline temperature -8 °C.

Tuesday

Sunny. 10 to 20 km/h north ridgetop wind. Treeline temperature -9 °C.

Wednesday

Sunny. 20 to 30 km/h north ridgetop wind. Treeline temperature -10 °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.
  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.

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.