March 13, 2022: Snowboarder triggered persistent slab

User-submitted video of a large avalanche triggered by a snowboarder on a NE aspect below treeline. The avalanche broke 18" to 24" thick on faceted weak layers buried in mid-February.

[@Elkski84]

Are drones not illegal in this area?

[@powerhl]

Perfect sample about the one of the 5 red flags.