Boletín de aludes

Kananaskis

Dec 20 – 21, 2015Alberta Parks
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Archivado · caducó 11 years ago

Peligro de aludes

Tue
Wed
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Lo esencial

Watch for storm slabs at higher elevations, as these could be sensitive to human-triggering in steep terrain. Pay attention as you transition to wind affected snow.

Problemas de aludes

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–2
    Recent wind and snowfall has led to sluffing in steep terrain in the Alpine. These slides could pick up significant mass in confined terrain features.

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–3
    Fresh wind slabs are building in immediate lees along ridge-lines and in cross-loaded features in Alpine terrain and just into Treeline. These slabs are sensitive to human triggering in steeper terrain and in convex and unsupported features.

Confidence

High

Weather Forecast

Tonight could see SW winds reaching 70km/h. Monday will be mainly cloudy with no precipitation expected. Temperatures should reach a high of -11 °C in the Alpine. Winds are expected to be out of the SW at 15-30 km/h.

Avalanche Summary

Numerous loose dry avalanches up to size 1.0 were observed in extreme terrain in the Alpine.

Snowpack Summary

2 to 4cm of new snow overnight brings storm snow totals up to near 20cm at Treeline. The recent snow is low density except above 2300m where storm slabs have built over the last 2 days. Cornices are beginning to grow. The Dec 4th persistent weak layer is still found below 2100m, but seems dormant at the moment.

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