Boletín de aludes

Tetons

Bridger-Teton 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 5 years ago. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

The snowpack continues to adjust to the added load since December 5, with settlement rates of several inches per day. This snow lies over a variety of surfaces from the ground to weak faceted snow grains. Today, in steep avalanche-prone terrain at the mid and upper elevations, it is possible for backcountry travelers to trigger slab avalanches on the interface of these older layers. Also along the high ridges, southwesterly winds are transporting snow and forming shallow wind slabs. When traveling through the backcountry today, it is important to carefully evaluate the snow and terrain for where these problem areas could exist. Below 8,000 feet where the hazard is Low, avalanches are unlikely.

Problemas de aludes

  • Persistent Slabs

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

    Since December 5, snowfall has covered a variety of surfaces from crusts to weak, faceted snow grains. These layers exist at the upper elevations and on shaded slopes at the mid-elevations. Although we have not seen many avalanches on these layers, there has been some activity on steep slopes at the mid and upper elevations. If an avalanche occurs on these layers, slab depths could be up to 3 feet in depth. The variability of the buried weak layers and areas of loaded snow, make it important to check a slope's stability before crossing into steep terrain.

Avalanche Discussion

Light snow overnight could bring one to three inches of snow by morning, particularly to the northern portions of the forecast area. Monday looks to be mostly clear with mountain temperatures rising into the mid-twenties. West winds are to have averages over 20 miles per hour. The avalanche danger will continue to be moderate in all the forecasts areas above 8500 feet where a potential continues to trigger slab avalanches. These slabs will present as wind slabs and are mostly likely to be triggered in very steep terrain such as cliff bands that are near ridge crests and summits and are particularly prone to wind loading. Slab depths of one to three feet are possible. Below 8500 feet the avalanche danger is Low and avalanches are unlikely.

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