Boletín de aludes

Kananaskis

Feb 13 – 14, 2018Alberta Parks
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Archivado · caducó 9 years ago

Peligro de aludes

Thu
Fri
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
2 · Moderado
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Lo esencial

The winds were raging today! The alpine has taken the brunt of it, but even the low elevation areas had some slabs develop. Good skiing is out there, but it will take some searching.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1.5–2.5
    These reach almost to valley bottom and are dense enough to propagate if triggered. They make for challenging skiing right now.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    2–3.5
    Many old avalanches have filled in already. There is a risk that these slopes could avalanche again as they load up. The wind slabs stepping down and triggering this layer is also a concern.

Confidence

High -

Weather Forecast

The winds will taper overnight tonight. Tomorrow they are "only" 45km/hr from the west. Temperatures will remain consistent with today's, and hover around -13°. Flurries will bring up to 6cm throughout the day tomorrow.

Avalanche Summary

Nothing new today.

Snowpack Summary

Strong to extreme winds have stripped most of the available snow and formed stiff wind slabs on all lee aspects. The winds have come from west to north aspects which has made a reverse loading pattern. Luckily these areas are easily identified once seen. So far the alpine has been the most wind effected, but treeline also has widespread slabs. Even valley bottom areas have felt the winds. Many avalanche crowns from last week have filled in.

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