Boletín de aludes

Kananaskis

Dec 16 – 17, 2014Alberta Parks
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Archivado · caducó 12 years ago

Peligro de aludes

Thu
Fri
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Lo esencial

It is important to find and monitor the deep layers as you move through the terrain. Deep snowpacks will decrease the chance of triggering an avalanche.

Problemas de aludes

  • Deep Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    2–4
    We are relying on the dense midpack to shield us from a failure of the Nov 6th. In shallow areas, the likelihood of triggering the deep layer rises dramatically. Probe to confirm snow depths as you approach bigger terrain.

Confidence

Good

Weather Forecast

Tomorrow's forecast is very similar to today's. Alpine highs will reach -6, winds will be light from the SW and there will be no snow.

Avalanche Summary

No new slab avalanches today, however we did witness a small cornice collapse that triggered a small loose dry sluff.

Snowpack Summary

Today's travels had a slightly different snow structure than yesterday's. A more sheltered alpine (Mt Murray moraines, 2100m) area had a well settled snowpack that is 150cm deep.  The Nov 6th crust/depthhoar/facet layer is down 135cm's, and very weak. The midpack is currently bridging this weak layer giving a solid feel to the snowpack.  The midpack is made up of a thick, and moderately dense(1finger-pencil) windslab. Shallow areas are weaker and more susceptible to triggering.  Below treeline the Dec 13th crust is annoyingly persistent. It is breakable and very challenging to ski. It does improve with elevation, eventually it disappears at 2150m.

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