Large Collapse on hard wind slab in Hyalite

Flanders Creek
Northern Gallatin
Code
HS-AF-O
Elevation
7900
Aspect
NW
Latitude
45.43880
Longitude
-110.92600
Notes

Ice climbers had a very hard wind slab collapse , crack and "whumph" while approaching a climb in Flander's drainage. Winds were blowing strong and drifting snow. They noted their tracks were filled in when they left, and fresh drifts cracked when isolated.

Number of slides
0
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Foot penetration
Bed Surface
O - Old snow
Problem Type
Wind-Drifted Snow
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Red Flag
Advisory Year
19-20