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Avalanche Forecast

Archived

Nov 7th, 2019–Nov 8th, 2019

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

Regions

Kananaskis.

Winds and warmer temps have created slabs in the alpine. Gullies remain a concern for avalanches. Ice climbers be aware of slopes above and their snow volume.

Confidence

High -

Weather Forecast

Sunday appears to be the next snow pulse. Amounts are unknown, but 10cm is the current forecasted amount. Temps will be stable at -8 to -4 and winds will be strong in the alpine and moderate at treeline for Friday.

Avalanche Summary

Nothing noted

Snowpack Summary

The storm snow from earlier in the week has been redistributed by winds to form alpine windslabs. More recently, the warm temperatures have also promoted settling of the treeline snowpack. At the moment windslabs are the main concern, especially considering the variety of surfaces below. Facets and crusts tend to be the deeper layers right now. As for depths, the stations are showing about 40cm at treeline and more in wind loaded areas.

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.