16-17
This natural slide occurred on a S-SE facing slope up Sheep Creek outside of Cooke City. The slide appears to only involve the new snow and likley failed on a layer of near surface facets buried 2-3 feet deep. Photo B. Fredlund
A snowmobiler in the Lionhead area near West Yellowstone remotely triggered these two small slides. It appears they failed on a layer of facets 1-2 feet deep. This layer formed during the cold weather in the early part of January. Photo T. Campbell
GNFAC Avalanche Advisory for Fri Jan 13, 2017
Snowpack and Avalanche Discussion
Cooke City
King and Queen of the Ridge: A Hike and Ski/Ride-a-Thon fundraising event to support the Friends of the Gallatin National Forest Avalanche Center. Register with Bridger Bowl HERE, make pledges HERE.
GNFAC Avalanche Forecast for Thu Jan 12, 2017
Snowpack and Avalanche Discussion
Cooke City
Cooke City near Lulu Pass: Standing on the toe of the debris with the three slide paths behind. Photo: GNFAC
Forecast link: GNFAC Avalanche Forecast for Thu Jan 12, 2017
A panoramic shot showing the avalanche paths and toe of the debris. The runout angle was 25 degrees, a low angle, which means the avalanche ran very far. Photo: GNFAC
Forecast link: GNFAC Avalanche Forecast for Thu Jan 12, 2017