Small snowmobile triggered avalanche in Taylor Fork

Taylor Fork
Southern Madison
Code
SS-AMu-R1-D1-O
Latitude
45.06070
Longitude
-111.27200
Notes

From text message: a snowmobile triggered a small persistent slab avalanche in the Taylor Fork on Tuesday. The rider was not caught. 

On a nearby slope, a larger avalanche failed 150 wide on weak layers near the ground. 

Number of slides
2
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
Trigger Modifier
u-An unintentional release
R size
1
D size
1
Bed Surface
O - Old snow
Problem Type
Persistent Slab
Slab Thickness
18.0 inches
Vertical Fall
15ft
Slab Width
20.00ft
Slab Thickness units
inches
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year