Cornice triggered deep slab in Argentina Bowl

Argentina Bowl
Bridger Range
Code
HS-NC-R2-D2-O
Elevation
8800
Aspect
NE
Latitude
45.78690
Longitude
-110.93500
Notes

We saw this big natural avalanche at noon on January 18th. It broke late on 1/17/20 or early 1/18/20 after strong wind and new snow (1" SWE) heavily loaded slopes. Photo: GNFAC

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Cornice fall
R size
2
D size
2
Bed Surface
O - Old snow
Problem Type
Wind-Drifted Snow
Slab Thickness
48.0 inches
Slab Width
200.00ft
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year