Stratospheric Evolution and Impact of the 2022 Hunga Tonga Eruption (Invited Presentation)

The 2022 Hunga volcano erupted a significant amount of water vapor and moderate SO2 into the stratosphere causing an unusual response in the climate system. Many interesting and unexpected phenomena occur after this eruption due to the water injection, such as quick formation and descending of volcanic sulfate, large aerosol extinction efficiency, mid-latitude ozone depletion, strong stratospheric and mesospheric cooling, etc. This presentation will give a discussion of several interesting observations and subsequent questions arising from the Hunga Tonga research community, with a focus on climate modeling efforts.