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Avalanche Forecast

Archived

Dec 9th, 2013–Dec 10th, 2013

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.

Thin and generally weak snowpack widespread throughout the forecast area. Buried hazards are becoming an increasingly greater risk to your skis and knees so tread carefully.

Confidence

Good

Weather Forecast

Temperatures on a slow rise to more seasonal values.  2cm new snow overnight at treeline and only trace amounts expected over next few days.  Wind forecast is for Moderate to Strong values from the West

Avalanche Summary

No new observed or reported.

Snowpack Summary

Strong temperature gradient is resulting in faceting throughout the snowpack.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.