Boletín de aludes

Central Cascades

Central Oregon Avalanche Center
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Peligro de aludes

Wed
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil
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Desactualizado: este boletín caducó last year. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

Avalanches will be possible where the wind has blown the most recent snow into deeper, more cohesive drifts.  These "Wind Slabs" are most likely below ridge tops on North and East slopes.  I would expect Wind Slab avalanches could be large at alpine elevations that picked up more snow in this latest storm.  Steer clear of Cornices which are particularly weak right now after warm weather, rain, and now new snow.

Problemas de aludes

  • Wind Slabs

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

    On Monday, I observed relatively light accumulations of new snow (about an inch of new snow at Tam Rim), but it sounds like storm totals were higher elsewhere.  I did observe Strong winds and any snow that was falling was being transported to lee slopes.  I would expect that there is quite a bit more new snow at higher elevations, where precipitation turned from rain to snow sooner.  Throughout the terrain, the potential Wind Slab avalanche problem will be proportional to the amount of new snow that has fallen.  Snow showers are forecast to continue tonight and during the day on Tuesday.  If you are choosing to tour on slopes where the wind may have blown the new snow, evaluate the potential for Wind Slab avalanches on low angle or smaller slopes before committing to steep unsupported slopes.

  • Cornices

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

    Warm temperatures last week, and then rain on Sunday night, have weakened cornices.  Continued stormy weather on Tuesday will be adding more weight to these weak cornices, and may make them difficult to assess and identify in low visibility.  I'll be giving any cornices a wide berth for the remainder of the year.

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