Avalanche

Mt. Adams

FACFlathead Range & Glacier NP
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Observation photo 1Observation photo 2Observation photo 3

Quick report

Very large natural avalanche that likely failed during the late February natural avalanche cycle. Similar to other very large natural avalanches that occurred at this time. North through east facing, upper-elevation, leeward slope, possibly triggered by natural cornice fall, sluff, or small slab. 

Avalanche

Size
D3.5
Type
HS
Aspect
E
Trigger
N
Elevation
6900 ft

Reported by 2 observers 3/5; a 3rd observer reported seeing the crown on 2/25. Possibly triggered by cornice fall. Runout not visible.