Boletín de aludes

Central Cascades

Central Oregon Avalanche Center
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Peligro de aludes

Tue
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
1 · Débil
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Desactualizado: este boletín caducó 3 years ago. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

Wind Slab avalanches will be likely near treeline and in the alpine on North and East slopes.  The size of potential avalanches will relate directly to the amount of new snow we receive.  Choose conservative terrain if you are venturing above treeline on North and East aspects.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2

    Snowfall started a bit later than expected today, and from what I saw, the Wind  Slab problem was only starting to materialize by the afternoon.  This will be a much different story by Monday if we continue to receive new snow (there is 6-8 additional inches in the forecast).  Wind Slabs can be 3-5 times as deep as the snow that's accumulated in calm meadows and glades.  If you are planning to travel near treeline or in the alpine on lee slopes, choose conservative terrain and observe signs of where the wind has been blowing the snow too.  Variable snow depth across aspects, as well as variable snow textures (scalloped and scoured vs. smooth and pillowy) are signs of recent wind transport.

    Remember that open terrain and burns can mimic near treeline terrain even though they are lower in elevation.

  • Cornices

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely
    Tamaño
    1–2.5

    Cornices seemed to grow particularly rapidly during last week's storm and they will continue to grow with this new snowfall.  I've been giving them a little extra room lately.

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