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Avalanche Forecast

Archived

Jan 27th, 2021–Jan 28th, 2021

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, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Kananaskis.

Models differ but we can guess a few cms of snow is likely to fall over the next 24hrs. If the forecast comes true and we get 15cm and moderate SW winds, avalanche danger will begin to creep up to moderate in alpine areas. 

Confidence

Moderate -

Weather Forecast

Lots of variety in the forecast models with 6-15cm of new snow forecast with a slight increase in winds into the moderate range out of the SW. Temperatures will be mild with daytime highs around -6C

Avalanche Summary

No new avalanches have been observed over the past 24hrs. 

Snowpack Summary

A few cms of snow fell over the past 24hrs but its going to take a bunch more to change the avalanche hazard. Windspread wind affect is being found in all open areas. Some softer facetted snow is being found in the trees but skiing is limited due to widespread tracks of late. We just have to be patient and wait and see for when a significant weather pattern comes in to create a change. 

Terrain and Travel

  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
  • Pay attention to isolated alpine features as well as cross-loaded features at treeline.

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.