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Avalanche Forecast

Archived

Jan 21st, 2025–Jan 22nd, 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

East Kakwa, Tumbler.

Wind slabs are the main concern. Be extra cautious of wind loading in shallow rocky start zones where it is mostly likely to produce an unexpected avalanche.

Confidence

Moderate

Avalanche Summary

No new avalanche activity has been reported in the past few days.

Keep posting your observations to the Mountain Information Network!

Snowpack Summary

Surface snow is likely predominantly wind-affected, with recent light snow and elevated wind.

Limited soft snow may be found on the surface in more sheltered areas above 1500 m.

The snowpack in this region is otherwise shallow with the middle and base mostly made up of weak, sugary faceted crystals along with a crust near the base of the snowpack.

Weather Summary

Tuesday Night

Cloudy with clear breaks. 25 to 45 km/h northwest ridgetop wind. Treeline high temperature -12 °C.

Wednesday

Cloudy with sunny breaks. 25 to 50 km/h west and southwest ridgetop wind. Treeline high temperature -7 °C.

Thursday

Mainly cloudy with isolated flurries, accumulation 1-3 cm. 30 to 50 km/h northwest ridgetop wind. Treeline high temperature -4 °C.

Friday

Mix of sun and cloud. 20 to 40 km/h northwest ridgetop wind. Treeline high temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid shallow snowpack areas, rocky outcrops, and steep terrain where triggering is most likely.
  • Watch for areas of hard wind slab on alpine features.

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.