Date/Time: 02/22/2021 12:30:00

Path: Peak 9,975 Broken Thumb Couloir Zone: 105
Elevation: 8842 Aspect: N
Starting zone slope angle: 41-45
Type: Soft Slab
Relative Size: 2 Destructive Size: 2.0 Depth: 24
Trigger: Snowboarder (AR)
Lat: 43.701710 Lng: -110.785500

Observer Notes:<<A group of three were above the first choke in Broken Thumb Couloir when one, a snowboarder, triggered a soft wind slab avalanche and was carried through both chokes and partially buried on the apron below. He did not survive. Our condolences are extended to the family, friends and those involved.>>

1 Fatalities Involved.

Matthew Brien Age: 33

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