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Avalanche Forecast

Archived

Jan 3rd, 2023–Jan 4th, 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.

Wind slabs can still be found in isolated features, like steep, rocky, and lee terrain. Don't commit to a steep slope if it looks wind-affected or feels dense or stiff.

Confidence

High

Avalanche Summary

No new avalanches were reported in the area. The likelihood of rider-triggered avalanches has decreased but you could still trigger small wind slabs in isolated terrain features.

Snowpack Summary

Clear, sunny skies have developed a thin crust on sun-exposed slopes. In wind-exposed terrain wind slabs formed by recent southwest winds are likely bonding. A hard melt-freeze crust below 2000 m is buried at variable depths between 0 - 20 cm depending on elevation.

The middle of the snowpack is generally consolidated and sits above weak, faceted snow near the ground.

Weather Summary

Tuesday Night

Partly cloudy skies with isolated flurries, 10 to 20 km/h southwest wind, and treeline temperature -10 °C

Wednesday

A mix of sun and cloud with isolated flurries, 20 to 40 km/h west wind, treeline temperature -10 °C.

Thursday

Mostly cloudy skies, increasing through the day with isolated flurries, light west winds, treeline high temperatures -5 °C

Friday

Mostly cloudy skies, trace amounts of snow, 20 to 30 km/h westerly winds, and treeline temperature - 5º C

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.
  • Use ridges or ribs to avoid areas of wind loaded snow.
  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain 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.