Mapping the Hunga Tonga–Hunga Ha’apai Volcanic Cloud with Satellite Observations of Backscattered Ultraviolet (BUV) Radiation below 300 nm

David P Haffner1,2, Nickolay Anatoly Krotkov3, Robert J D Spurr4, Eun-Su Yang1,2, Omar Torres2, Pawan K Bhartia2, Can Li2,5, Changwoo Ahn1,2, Joanna Joiner2, Diego G Loyola6 and Matt Christi7, (1)Science Systems and Applications, Inc., Lanham, MD, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)NASA Goddard Space Flight Center, Greenbelt, United States, (4)RT Solutions, Inc., Cambridge, MA, United States, (5)Earth System Science Interdisciplinary Center, University of Maryland, College Park, United States, (6)German Aerospace Center (DLR), Remote Sensing Technology Institute (IMF), Oberpfaffenhofen, Germany, (7)Fort Collins, CO, United States