Lone Mountain
Northern Madison
Code
HS-AR-R2-D1.5-O
Aspect
W
Latitude
45.27770
Longitude
-111.45100
Notes
From email: "Remote triggered avalanche yesterday on west facing slope of lone mountain backcountry. Observed wind loaded Slope, shooting cracks then woomph, followed by a collapsing snow pack 20 feet ahead. Crown approximately 1.5 feet tall 15-20 feet wide."
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Snowboarder
R size
2
D size
1.5
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Slab Thickness
18.0 inches
Vertical Fall
50ft
Slab Width
20.00ft
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year