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Avalanche Forecast

Archived

Feb 5th, 2024–Feb 6th, 2024

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

Regions

Akamina, Crowsnest North, Crowsnest South.

The new snow falling over the weekend came with strong east and northeast wind, so expect to find wind slabs in areas you normally don't see them.

Confidence

No Rating

Avalanche Summary

There is no new avalanche activity to report on Monday.

There were reports of numerous skier controlled dry loose and wind slab avalanches to size 1 and 1.5 on Sunday.

Snowpack Summary

20 - 40 cm of recent snow has accumulated over a crust at most elevations.

There is a layer of sugary facets that are buried 30-50 cm deep and in some places may sit on a crust. Avalanches on this layer are unlikely, but we continued to monitor its reactivity.

The lower snowpack contains a series of crusts and faceted snow.

Weather Summary

Monday Night

Mainly cloudy with isolated flurries, accumulation 1 to 3 cm. Alpine wind southwest 15 to 35 km/h. Treeline temperature -6 °C. Freezing level at valley bottom.

Tuesday

Mainly cloudy with 1 to 2 cm of snow. Alpine wind southwest 20 to 40 km/h. Treeline temperature -1 °C. Freezing level 1500 m.

Wednesday

Mainly cloudy with sunny breaks. Alpine wind northwest 5 to 15 km/h. Treeline temperature -2 °C. Freezing level 1100 m.

Thursday

Mainly cloudy with 1 to 3 cm of snow. Wind southwest 10 to 20 km/h. Treeline temperature -4 °C. Freezing level at valley bottom.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Wind slabs may be poorly bonded to the underlying crust.

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.