Boletín de aludes

Banff Yoho Kootenay

Nov 19 – 20, 2011Parks Canada
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Archivado · caducó 15 years ago

Peligro de aludes

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

Wind transport triggered two size 2.5 slab avalanches on Bourgeau 7 near Sunshine in the last 24 hrs. These slabs failed on the DH at the ground with crowns approximately 80cm thick and 100m wide. Be very cautious as human triggering is likely. JBW

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–3
    Slopes that look inviting for skiing have a wind slab over depth hoar layering. Cracking, whumphing, natural and skier triggered avalanches have been observed. This layer collapses with EASY results. Pick lower angled low consequence terrain.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–3
    Steep open slopes at and above treeline have a soft to hard surface slab that is sensitive to human triggering near the ground on the basal depth hoar. Wind loading triggered Na avalanches up to size 2.5 that failed to ground in the last 24 hrs.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Regiones cubiertas