Black Butte- Gravelly Range
Out of Advisory Area
Code
SS-AMr-R3-D2-G
Latitude
44.90450
Longitude
-111.85600
Notes
Snowmobilers reported triggering multiple avalanches from low slope angles between West Fork and Black Butte in the Gravelly Range. Photo: S. Olson
Multiple Avalanches
Number caught
0
Number buried
0
Number killed
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
Trigger Modifier
r-A remote avalanche released by the indicated trigger
R size
3
D size
2
Bed Surface
G - Ground
Problem Type
Persistent Weak Layer
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year