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Avalanche Forecast

Archived

Apr 4th, 2022–Apr 5th, 2022

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

Regions

Kananaskis.

A welcome refresh! Roughly 10cm of snow fell Sunday night improving the skiing tremendously. 

Confidence

High -

Weather Forecast

Tuesday will see an additional 10cm of snow by the evening. A day time high of -5 and the winds will be moderate out of the SW. Clouds may clear mid day for a brief period.

Avalanche Summary

Forecasters travelled S aspects today and noted no instabilities at this time. Winds were strong today and obvious loading and transport was observed. 

Snowpack Summary

10 cm of new snow now sits on top of old supportive crusts. This new snow is bonding well with the old surfaces due to the warm temperatures. Wind slabs are likely in lee and cross loaded features with todays strong to extreme S-SW winds.

Terrain and Travel

  • Fresh wind slabs will likely form throughout the day, diligently watch for changing conditions.
  • Avoid slopes that sound hollow or drum-like.

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.