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Avalanche Forecast

Archived

Nov 13th, 2012–Nov 14th, 2012

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

Glacier.

The winter permit system is NOT yet in effect. Travel conditions are poor below treeline, but good skiing can be found in the alpine. Expect loose sluffing of the new low density storm snow.

Weather Forecast

About 10 cm. of new snow is forecast over the next 24 hours. Temperatures will be mild with freezing levels near 1300 metres. Moderate west wind.

Snowpack Summary

About 80 to 120 cm. of snow lies in sheltered areas in the upper treeline. Two raincrusts are buried down approximately 40 cm. Some isolated windslabs exist in exposed alpine areas.

Avalanche Summary

No new activity observed over the past few days.

Confidence

Intensity of incoming weather systems is uncertain

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.