Boletín de aludes

Kananaskis

Dec 29 – 30, 2016Alberta Parks
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Archivado · caducó 10 years ago

Peligro de aludes

Fri
Sat
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
1 · Débil
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Lo esencial

5-10cm of snow is expected to fall in the next 24hrs.  Avalanche danger will remain at considerable in the alpine and at treeline. Human triggered avalanches are still likely.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely - Very Likely
    Tamaño
    1–2
    Whumphing and cracking was observed as forecasters approached windloaded areas at treeline. Thin to thick snowpack areas should be treated with caution.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely - Very Likely
    Tamaño
    2–3
    Its thought that the windslabs are very likely to step down to this layer. Large avalanches are possible. Thin spots are now on our radar as trigger points for this layer.

Confidence

Moderate - Timing, track, or intensity of incoming weather system is uncertain on Friday

Weather Forecast

About 5-10cm of is forecast to fall over the next 24hrs.  Winds are expected to mellow after the arrival of the front.  Temps will be in the -15cm range.

Avalanche Summary

No new avalanches were observed on Thursday but field teams were in the ghost and Kananaskis Valley areas.

Snowpack Summary

A few cms of snow fell throughout the day on Thursday but not enough to change the current danger level or improve the lower elevations.  In the Alpine and at treeline most open areas are wind affected.  These windslabs are overlying the dec 18th facet layer down 20-30cm.  Easy failures have been noted on this interface indicating that it is ripe for a human trigger.  Watch for "drummy" sounds and shooting cracks.  These are all positive indicators that you are moving into more skier triggerable areas.

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