Lawinenlagebericht

Tetons

Bridger-Teton Avalanche Center
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Lawinengefahr

Hochgebirge
1 · Gering
Waldgrenze
1 · Gering
Unterhalb
1 · Gering
Veraltet — dieser Lagebericht ist 9 years ago abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

Mostly stable snow exists. However low hazard does not mean there is no hazard. Northeast winds have formed isolated pockets of stiff wind slab up to 8 inches in depth above an elevation of 8,500 feet. These shallow slabs lie upon firm old snow surfaces and in some sheltered locations, buried surface hoar. These small pockets of slab could be triggered by skiers and riders and may have consequences in extreme terrain like very steep chutes, couloirs and cliff areas. Greater hazard may exist above an elevation of 10,500 feet. At the lower elevations some potential for wet slides may persist on isolated terrain features.

Avalanche Discussion

Northerly flow aloft will develop as the aforementioned low pressure system shifts eastward. This scenario will result in clearing skies overnight and mostly sunny skies on Saturday. Overnight lows in the mountains will be near 20 before rising into the low to mid 30s during the day. Valley temperatures will drop into the low 20s by the early morning hours before rebounding into the upper 40s in the afternoon. Northeasterly ridgetop winds will decrease to 5 to 15 miles per hour.The general avalanche hazard is expected to be LOW on Saturday. With warm daytime temperatures, abundant sunshine and light winds, very shallow wet loose slides involving the recent snowfall will be likely on steep, sunlit slopes at the higher elevations. The underlying crusts should experience a hard freeze overnight, and avalanche activity below the crusts will be unlikely. However, if near surface crusts break down and unconsolidated snow exists underneath, backcountry travelers should transition to colder terrain. Skiers and riders might also be able to trigger an isolated pocket of shallow wind slab on steep, wind-loaded slopes near upper elevation ridgelines. Areas where these small slabs have formed should be avoided if the potential exists for slides to sweep backcountry travelers over cliff bands or into terrain traps.

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