Boletín de aludes

San Francisco Peaks / Kachina Peaks Wilderness

Kachina Peaks Avalanche Center
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Peligro de aludes

Fri
Alta montaña
Sin grado
Límite del bosque
Sin grado
Bajo el límite
Sin grado
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Desactualizado: este boletín caducó 4 years ago. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

Watch for wind slabs and persistent slab problems.  In the last ~20 hours significant snowfall has occurred; 17" of snow with over 2" snow water equivalent (SWE) accumulated at the Snowslide SNOTEL at 9700'. Winds are picking up this afternoon and evening. Prior to this storm, early season conditions have limited our field observations.  Consider submitting your observations here.  Expect an update in the next day or two. 

Problemas de aludes

  • Wind Slabs

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

    Watch for winds creating cohesive slabs and loading leeward slopes. Crossloading may occur on other slopes, gullies and chutes.  

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1.5–2.5

    Old faceted snow at the base of the snowpack, on steep isolated slopes near and above treeline have demonstrated the ability to propagate failure in a recent snowpit. This faceted basal snow was the likely culprit of skier triggered collapses (whumpfs) on low-angle northerly slopes, below treeline in Abineau Canyon on Dec. 13th. Collapses or whumpfs in the snowpack should be a bullseye indication to stay off steep slopes. 

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