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Avalanche Forecast

Archived

Jan 21st, 2021–Jan 22nd, 2021

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

Kananaskis.

Our stable snowpack and good weather is allowing trips to the higher, alpine areas. Enjoy the clear skies and easy travel, but also be prepared for difficult skiing.

Confidence

High -

Weather Forecast

A chilly start to the day tomorrow. -20C overnight and about -11 as a daytime high. It looks as though the sun will be shining again, which will help it feel warmer if you're lucky enough to be in the sun. The winds will light from the NW. Overall a rather nice winter day.

Avalanche Summary

Nothing new today.

Snowpack Summary

Anyone who has read a Snowpack Summary in the last week can probably sense where this is going...

Widespread wind effect is the major theme for the next while. Until we get more snow, the windslabs will be a problem. The good news is that the cold temps are helping to break them down and the snow stability is fairly good given the widespread nature of the slabs. If the cold does last, remember to check in on the deeper layers as they will start to break down and become weaker.

Terrain and Travel

  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
  • Avoid areas where the snow feels stiff and/or slabby.

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.