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Avalanche Forecast

Archived

Nov 26th, 2015–Nov 27th, 2015

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

Little Yoho.

Small windslabs are still a problem in the alpine. Intense, localized, solar heating may create overhead hazard affecting skiers and ice climbers.

Weather Forecast

Clear skies with widespread temperature inversion are expected. 

Snowpack Summary

A great early season snowpack exceeding a meter in places. Surface hoar near the bottom has been unreactive in tests. Windslabs of varying thickness carpet the alpine.

Avalanche Summary

No new avalanches have been reported.

Confidence

Freezing levels are uncertain on Friday

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.