Deep Slab Avalanche Sphinx

Sphinx Mountain
Southern Madison
Code
HS-N-R3-D2-O
Aspect
N
Latitude
45.15820
Longitude
-111.47700
Notes

Riders observed a natural, dry slab avalanche that occurred last week on a northerly aspect near the Sphinx. 

Approx coordinates of slide #1: 45.15872, -111.46923

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Natural trigger
R size
3
D size
2
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Images
Natural slide on northerly aspect adjacent to Sphinx (zoomed out for geographical reference)
Natural slide on northerly aspect adjacent to Sphinx 2
Snow Observation Source
Natural avalanche activity near Buck Ridge 4/15/23
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
22-23