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Avalanche Forecast

Archived

Jan 21st, 2023–Jan 22nd, 2023

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

Akamina, Crowsnest North, Crowsnest South.

Small avalanches could create big consequences in extreme terrain.

Continue to exercise safe travel practices!

Confidence

High

Avalanche Summary

No new avalanches have been reported.

Please continue to share any observations or photos on the Mountain Information Network.

Snowpack Summary

A dusting of snow overlies a melt-freeze crust that can be found up to 2100 m. Wind-affected snow prevails above 2100 m, with thin, older wind slabs in lee terrain features from southwest winds.

The mid-pack continues to settle and consolidate. Facets exist near the base of the snowpack.

Weather Summary

Saturday Night

Mostly cloudy, trace accumulation, 20 to 30 km/h southwest wind, alpine low of -9 C.

Sunday

Sunny with cloudy periods, trace accumulation early in the day for the western part of the region, 15 to 20 km/h west wind, alpine high of -7 C.

Monday

A mix of sun and cloud, up to 2 cm for the western sections, 30 km/h west wind, alpine high of -7 C.

Tuesday

Mostly sunny, no accumulation, 20 km/h southwest wind, alpine high -3 C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.
  • 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.