Portal Creek
Southern Gallatin
Code
SS-AMr-R2-D2-O
Latitude
45.28900
Longitude
-111.14100
Notes
On Thursday, Feb 11, snowmobilers remotely triggered two large avalanche in the Portal Creek area.
From obs: "Broke on lookers right crown first then triggered second slide to lookers left (rocks everywhere). Broke on depth hoar on both slides north facing aspects. Nobody was caught."
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
Trigger Modifier
r-A remote avalanche released by the indicated trigger
R size
2
D size
2
Bed Surface
O - Old snow
Images
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year