From email (1/6/22): "Skied the Throne today. New snow instabilities. Higher density snow falling on colder snow. Saw a hand full of naturals all running on the new snow old snow interface."
Photo: E. Knoff
21-22
Avalanche Cycle in the Centennial Mtns
Mt Jefferson Bowl
Island Park
Code
HS-N
Aspect Range
N-E
Latitude
44.56580
Longitude
-111.50000
Notes
A large avalanche cycle occurred around Mt Jefferson, Reas Peak and Hellroaring Creek around the 28th of December. Slides ran on faceted snow near the ground and they propagated far and wide.
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Natural trigger
Problem Type
Persistent Weak Layer
Images
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year
The crown line is visible on the shaded face in the middle of the picture. Large avalanches released naturally during the week of 12/27 in the Centennial Mountains outside Island Park. Photo: GNFAC
Avalanche Details: Avalanche Cycle in the Centennial Mtns
Island Park, 2022-01-06
Large avalanches released naturally during the week of 12/27 in the Centennial Mountains outside Island Park. Photo: GNFAC
Avalanche Details: Avalanche Cycle in the Centennial Mtns
Island Park, 2022-01-06
Large avalanches released naturally during the week of 12/27 in the Centennial Mountains outside Island Park. Photo: GNFAC
Avalanche Details: Avalanche Cycle in the Centennial Mtns
Island Park, 2022-01-06
Behind the sledders are deep piles of debris from an avalanche cycle a week ago in the Mt. Jefferson area near Island Park. Photo: GNFAC
Avalanche Details: Avalanche Cycle in the Centennial Mtns
Island Park, 2022-01-06