Absolutely mesmerizing view of "gravity waves" propagating along the "tropopause," or effective ceiling of the lower atmosphere, following the eruption of #HungaTonga this morning.
— Matthew Cappucci (@MatthewCappucci) January 15, 2022
The waves result from the plume's buoyancy bumping against the tropopause and causing ripples. pic.twitter.com/Tz5uyyhQqe