Fan Mountain
Northern Madison
Code
N-R3-D3-O
Aspect
NE
Latitude
45.29810
Longitude
-111.52400
Notes
This avalanche likely happened in the last 24 hours following a large increase in windspeed beginning early in the morning on 02/24/2024.
From obs: "Large slide in the north basin of Fan Mountain. The flies is below the north, northeast couloir and the crown runs all the way around the basin. It went to the ground below the couloir and a few other places. 10ft crown probably at the biggest point below the couloir. "
Number caught
0
Number buried
0
Trigger
Natural trigger
R size
3
D size
3
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Slab Thickness
72.0 inches
Snow Observation Source
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year