Black Butte- Gravelly Range
Out of Advisory Area
Code
HS-AMu-R2-D2-O
Elevation
9100
Aspect
S
Latitude
44.87260
Longitude
-111.81900
Notes
Isolated 5' crown, ran 100 yards wide.
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Snowmobile
Trigger Modifier
u-An unintentional release
R size
2
D size
2
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Slab Thickness
60.0 inches
Vertical Fall
150ft
Slab Width
200.00ft
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year