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Avalanche Forecast

Archived

Jan 19th, 2023–Jan 20th, 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.

Continue to practice safe travel techniques.

Confidence

High

Avalanche Summary

We haven't received reports of avalanche observations since Monday, when thin wind slabs were triggered by riders.

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

Snowpack Summary

A dusting of snow overlies a melt-freeze crust up to 2100 m. Wind-affected snow prevails above 2100 m, with thin, old wind slabs in lee terrain features from recent southwest wind.

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

Weather Summary

Thursday Night

Partly cloudy with no precipitation, 20 to 30 km/h southwest wind, treeline temperature -7 °C.

Friday

Mostly clear skies with no precipitation, 20 to 30 km/h southwest wind, treeline temperature -6 °C.

Saturday

Partly cloudy with increasing clouds and afternoon precipitation, accumulation 1 to 3 cm, 20 to 40 km/h southwest wind, treeline temperature -5 °C.

Sunday

Early-morning snowfall then clear skies, accumulation 2 to 5 cm, 20 km/h northwest wind, treeline temperature -8 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.

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.