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Avalanche Forecast

Archived

Feb 19th, 2024–Feb 20th, 2024

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.
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.

Low danger does not mean no avalanches.

Continue to use good travel habits; only expose one person at a time and avoid unnecessary overhead hazards.

Confidence

High

Avalanche Summary

No new avalanches were reported on Saturday, Sunday, or Monday.

Snowpack Summary

Surface hoar is growing on all aspects at all elevations up to 12 mm, even on ridgetops.

South through west aspects are stripped down to a thick crust that formed early in February. This crust exists at all elevations. On north through east aspects you will likely find old wind slabs over this crust. Due to recent cold temperatures, weak sugary snow crystals are forming under these wind slabs, which means they may be more likely to slide on the crust.

In treeline terrain that is sheltered from the wind, 15 to 25 cm of settled snow sits above the crust.

Weather Summary

Monday Night

Mostly clear skies. 20 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Tuesday

Mostly cloudy. 20 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Wednesday

Mostly cloudy. 15 to 30 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Thursday

Mostly clear skies. 15 to 30 km/h southwest ridgetop wind. Treeline temperature 0 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.
  • Avoid travelling on slopes below cornices.

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.