Lawinenlagebericht

Salt River and Wyoming Ranges

Bridger-Teton Avalanche Center
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Lawinengefahr

Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering
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Veraltet — dieser Lagebericht ist 6 years ago abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

New snow will be increasing the load on persistent weak layers within the snowpack. Southwest winds will continue to form pockets of wind slabs along the leeward aspects of high ridge crests and wind-loaded terrain features. Small wind slab avalanche and large persistent slab avalanches could be triggered on steep avalanche prone slopes above an elevation of 7,500 feet. Warming temperatures are likely to increase the sentivity of these slabs to human triggers. Large avalanches are unlikely below that elevation. Assess the snowpack and terrain carefully. Conservative terrain choices are waraanted.

Lawinenprobleme

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    2–3

    Poor snowpack structure is widespread in the Southwest Trails forecast area. Basal facets, near-surface facets, surface hoar, and crusts all persist in the snowpack. On a variety of aspects above 7,500 feet, skiers and riders continue to have the potential of triggering persistent slab avalanches that could have depths of one to four feet. Large triggers, such as snowmobiles, are more likely to initiate one of these slabs.

Avalanche Discussion

( Discussion is generated from the previous day's afternoon forecast. )Moisture will continue to flow into region. A brief decrease in snowfall intensity is anticipated overnight with the main accumulation across Yellowstone Park and the far northern Tetons. Increased snowfall rates will return in the morning and spread south into the Salt River and Wyoming Ranges by early afternoon. Overall additional accumulations of 5 to 10 inches are anticipated in the Tetons with 4 to 8 inches expected in the Salt River and Wyoming Ranges. Temperatures will continue to climb further into the 20s in the mountains on Friday. Valley’s will reach 30 degrees. Winds will be from the south to southwest at 5 to 20 miles per hour.The general avalanche hazard is expected to be moderate in the Greys River and Togowtee Pass areas. In those areas, humans could trigger persistent slab avalanches one to four feet deep on steep avalanche prone slopes. More snow and warming temperatures are likely to keep the avalanche hazard at considerable in the areas of the Teton Range that were slammed by snow today. In those areas dangerous sluffs and large slab avalanches could by human triggered on steep slopes.

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