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Avalanche Forecast

Archived

Feb 15th, 2021–Feb 16th, 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, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Kananaskis.

Temperatures are warming up and the sun is starting to have some strength. This is especially important when travelling near larger sun exposed slopes. Good skiing is plentiful.

Confidence

High -

Weather Forecast

Tuesday morning will start out with a temp of -20c and warm up to -12c in the alpine. Expect a mix of sun and cloud with light flurries starting mid-day. Winds are forecast from the West at 40-50km/hr.

Avalanche Summary

There is evidence of some recent slab avalanches starting near ridge lines within the top 30-40cm and running to mid path.

Snowpack Summary

Surface wind slabs are evident in exposed areas in the alpine but still providing good skiing. There is evidence of some slab avalanches starting near ridge lines within the top 30-40cm and running to mid path. Surface faceting is evident in the top of the snowpack. The Jan 29th interface is down around 50cm and is still on our radar and is worth checking on if you are venturing into unchartered terrain.

The sun is really starting to have some strength to it and should be on your radar if you are travelling close to sun exposed slopes.

Terrain and Travel

  • Pay attention to isolated alpine features as well as cross-loaded features at treeline.
  • 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.