Boletín de aludes

West Slopes Central

Northwest Avalanche Center
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Peligro de aludes

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

Lo esencial

Stay alert for wet loose avalanche as temperatures remain warm on Thursday. Monitor slopes as you travel, and when you see rollerballs coming down or you begin sinking several inches into the snow, retreat to lower angle slopes or shady aspects.

Problemas de aludes

  • Loose Wet

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

    Wet loose avalanches and rollerballs came down on east, south and west slopes on Wednesday. Snow surfaces may get a shallow freeze overnight, but temperatures are not expected to cool a lot. The sun could wet lower elevation and south facing snow quicker and to a greater depth than Wednesday. If this is the case, in areas where there were already small slides or rollerballs, larger avalanches might occur on those same slopes. Meanwhile, wind will probably keep snow surfaces cooler in the alpine on windward aspects.  

    Many factors are at play with avalanche concerns on Thursday. Constantly assess the snow as you travel. Monitor the snow surface for warming, and pay attention to rollerballs running. If the snow was previously crusty but now you’re easily sinking into the wet snow 6+ inches, it’s time to leave that slope. Start moving towards lower angle terrain where there is no overhead hazard, or cooler slopes.

    Recent small, natural wet loose avalanches and rollerballs similar to what you might see on Thursday.

Avalanche Discussion

The spring cycle is in full force, so pay attention to snow conditions at lower elevations and on southerly aspects as you travel. The snow may start out hard and crusty but could  soften substantially as temperatures increase. Keep these large diurnal swings in mind as you plan your trips.  

Warmer temperatures means increasing chances of cornices breaking, so travel cautiously in areas where they are present. Glide cracks may form in areas with shallower snow and smooth ground surfaces, especially at mid to lower elevations. Be wary on slopes beneath glide cracks, as there is a very small possibility that a glide avalanche may occur.  

During the ongoing Covid-19 pandemic, continue to follow the latest guidance from local, state, and federal health officials. Avoid unnecessary risks that could impact first responders and stress medical resources.  Wear a mask when appropriate, practice social distancing, and consider recreating closer to home.

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