Two Top
Island Park
Code
SS-AMu-R2-D1-O
Latitude
44.61040
Longitude
-111.30300
Notes
Small windslab triggered on approach for inspection. Failure interface had 5 mm Surface Hoar. Soft slab, remote propagation onto the adjacent slope. Debris covered about half of the road bed.
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
Trigger Modifier
u-An unintentional release
R size
2
D size
1
Bed Surface
O - Old snow
Problem Type
Persistent Slab
Slab Thickness
10.0 inches
Vertical Fall
20ft
Slab Width
50.00ft
Weak Layer Grain type
Surface Hoar
Weak Layer grain size
5.00mm
Images
Snow Observation Source
Slab Thickness units
inches
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year