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Avalanche Forecast

Archived

Jan 18th, 2024–Jan 19th, 2024

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

Regions

East Kakwa, Tumbler.

Watch for wind slabs on steep open slopes.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported, however a few small wind slab avalanches have been observed in neighbouring parts of the North Rockies over the past few days.

If you go out in the backcountry, please consider sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

In the alpine, up to 15 cm of recent snow sits above a variety of old snow surfaces including wind-scoured snow and faceted snow. At treeline and below, the recent snow sits on a widespread crust.

The snowpack is shallow and faceted with multiple crusts. Pockets of deeper snow may be found near ridges, gully features, and established avalanche paths. Average snowpack depths at treeline average between 40 and 80 cm.

Weather Summary

Thursday Night

Partly cloudy with no precipitation, light winds shifting from northeast to southwest, treeline temperature -22 °C.

Friday

Increasing cloud with a trace of snow in the evening, southwest alpine wind 30 km/h, treeline temperature -15 °C.

Saturday

Cloudy with 5 to 10 cm of snow by the morning and up to 3 cm during the day, southwest alpine wind 30 to 40 km/h, treeline temperature -12 °C.

Sunday

Cloudy with a trace of snow, southwest alpine wind 30 km/h, treeline temperature -15 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
  • Avalanche danger is often elevated in alpine gullies where snow has accumulated.

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.