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Avalanche Forecast

Archived

Feb 4th, 2025–Feb 5th, 2025

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.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

East Kakwa, Kakwa, Pine Pass, Tumbler.

The best riding will be in terrain sheltered from the wind where recent snow remains soft.

Confidence

Moderate

Avalanche Summary

We haven't received any new reports of avalanches since Saturday, when a few large (size 3) wind slabs avalanches were triggered on southwest aspects at treeline and alpine elevations.

Looking forward, it remains possible for riders to trigger wind slab avalanches on southerly slopes at higher elevations.

Snowpack Summary

Extensive wind effect is found in the alpine from strong northeast wind. In wind-sheltered terrain, around 15 cm of soft snow overlies a faceted upper snowpack. A hard melt-freeze crust from mid-January may be found around 50 to 90 cm deep.

The lower snowpack is consolidated.

Weather Summary

Tuesday Night

Clear skies. 40 to 60 km/h northeast ridgetop wind. Treeline temperature -26 °C.

Wednesday

Partly cloudy. 20 to 40 km/h northeast ridgetop wind. Treeline temperature -18 °C.

Thursday

Mostly cloudy with 1 to 3 cm of snow. 10 to 20 km/h east ridgetop wind. Treeline temperature -16 °C.

Friday

Mostly cloudy with 1 to 3 cm of snow. 10 to 20 km/h west ridgetop wind. Treeline temperature -16 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Avoid slopes that sound hollow or drum-like.
  • Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.

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.