Boletín de aludes

Haines Pass

Haines Avalanche Center
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Peligro de aludes

Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
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

Strong south winds yesterday have caused wind loading above treeline and increased danger on wind loaded slopes. Evaluate terrain carefully near steep, loaded aspects, gullies, and ridgelines. Human-triggered avalanches remain possible. Avoid terrain traps where even a small slide can bury a person. 

Problemas de aludes

  • Wind Slabs

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

    Above tree-line, strong south winds yesterday have loaded leeward northerly slopes. Today switching winds from the north could reverse or cross load slopes with isolated fresh wind slabs, especially in gullies and start zones. Be observant of terrain features and their characteristics. You may be drawn into windloaded slopes in search of deeper snow, but carefully evaluate slopes greater than 30 degrees. Look for signs of wind loading including fatter pockets of snow,  stiff snow that sounds hollow and shooting cracks. 

Avalanche Discussion

There's been ample snow available for transport, and the winds have been sculpting and switching.  The snow surface is wind affected and moderately well bonded. Snow totals in the alpine on Friday were approximately 5" on Ripinsky, 3-4" at pass, and Flower probably got 4".

Observations from both Lutak and the Pass found brittle slabs in the mid to lower snowpack without much propagation potential. There are  facets near the ground in the Pass, but we are not seeing activity on this layer yet. 

We still have a thin early season snowpack with exposed rocks, branches and logs. The alders at the pass tree line are not laid down yet. You don't want to ruin your season with an injury. Let's be patient out there and take it one week at a time. 

Help us make sense of what's going out there by reading and submitting observations.

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