Climber triggered wind slabs at the Sphinx

Sphinx Mountain
Southern Madison
Code
HS-AF-R2-D1-I
Elevation
9600
Aspect
NW
Latitude
45.15820
Longitude
-111.47700
Notes

Triggered a small wind slab:

-9600'

-N aspect on the NW ridge of Sphinx Mountain 

-Strong SW wind

-Noticed other small crowns, likely triggered from another party traversing the north-facing bowl at similar elevations

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Foot penetration
R size
2
D size
1
Bed Surface
I - Interface between new and old snow
Problem Type
Wind-Drifted Snow
Slab Thickness
10.0 inches
Slab Width
25.00ft
Images
North face of the Sphinx, Nov 2
Wind Slabs at the Sphinx
Snow Observation Source
Wind Slabs at the Sphinx
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
24-25