20-21

Major avalanche cycle

LIONHEAD AREA
Lionhead Range
Code
SS-N
Latitude
44.72920
Longitude
-111.32300
Notes

From GNFAC field day on 2/1:

Many natural avalanches were triggered by a large snowstorm that dropped 2 feet of snow on 1/29 and 1/30. The slides broke on numerous weak layers: under the snow, a surface hoar layer mid-pack and sugary facets at the ground (depth hoar).

Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Natural trigger
Problem Type
Persistent Weak Layer
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year