From IG: This avalanche was from this morning (02/28). It was windy and the gully was likely wind-loaded. One video shows the debris and crown. The pin on the map (below) shows the location of the debris.
Location
Mt Blackmore
Snow Observation Source
Avalanche Details: Natural Avalanche off Blackmore Trail
Forecast link: GNFAC Avalanche Forecast for Thu Feb 29, 2024
Northern Gallatin, 2024-02-28
Forecast link: GNFAC Avalanche Forecast for Thu Feb 29, 2024