Heads up, ‘bilers: Greys River avalanche forecast ‘sketchy’ at best

JACKSON HOLE, WYO – Playing in the Greys River drainage comes with elevated risks today. The Bridger-Teton Avalanche Center forecast for Greys River today is HIGH.

As a Winter Storm Warning winds down (11am) this morning sustained snowfall and moderately strong ridgetop winds have created very dangerous avalanche conditions at all elevations.

Above 7,500 feet, skiers and riders could easily trigger small to large wind slabs in steep, wind loaded terrain. Loose snow sluffs will be possible on slopes less affected by the wind. Continued snowfall this morning will further load persistent weak layers of faceted snow deeper in the snowpack. These large slabs could be triggered directly by backcountry travelers or indirectly by stepping down from the release of a wind slab.

Any breaks in cloud cover in the afternoon could make these slabs more susceptible to failure on sunlit aspects. Natural activity will be likely. Below 7,500 feet, backcountry travelers could trigger slab avalanches one to two feet in depth.

Travel is avalanche terrain is highly discouraged.


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