Boletín de aludes

Mt Hood

Northwest Avalanche Center
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Peligro de aludes

Sat
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil
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Desactualizado: este boletín caducó 5 years ago. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

Warming temperatures and sun could soften snow surfaces. You may be able to trigger small wet avalanches at upper elevations where recent snow has accumulated. 

Problemas de aludes

  • Loose Wet

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

    You may be able to trigger small avalanches on steep, sun-exposed slopes at upper elevations,  If you find unconsolidated wet snow layers more than 6" deep, steer around slopes steeper than 35 degrees. Watch for terrain traps such as gullies, narrow canyons, and cliffs where even a small avalanche will be consequential. Following days of warm temperatures, the lower elevation upper snowpack has mostly adjusted to being wet. Higher slopes may have some fresh snow that could slide when it warms up.

    (1/7/2022)

    Small natural wet loose avalanche (D1) along Hwy 35 (NE aspect, 3100ft)

    Photo: Andrew Kiefer

Avalanche Discussion

Temperatures cooled with a couple of inches of snow accumulation on Thursday following warm and wet weather earlier in the week. The snowpack has settled and built surface crusts this week. A major storm on January 2-7 brought 5-7+ feet of snow and caused a widespread natural avalanche cycle. The most notable avalanche from the cycle was a very large natural on the upper Newton Clark Glacier. The crown was easily 10ft deep in places and debris reported ran 4500ft down into Newton Canyon. A public observation highlights this avalanche, in addition to another notable avalanche near treeline. We don't expect further very large avalanche activity from the upper mountain at this time. Warming during the last storm cycle formed a crust that was buried 1/6. A foot or less of snow accumulated on top of this crust before the storm cycle ended. 

 

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