Maximilian Eckl¹, Anke Roiger¹, Julian Kostinek¹, Alina Fiehn¹, Heidi Huntrieser¹, Christoph Knote², Zachary Barkley³, Bianca Baier^4,5, Colm Sweeney⁴ and Kenneth J Davis³, (1)German Aerospace Center (DLR) Oberpfaffenhofen, Institute of Atmospheric Physics, Wessling, Germany, (2)Ludwig-Maximilians-University (LMU), Meteorological Institute, Munich, Germany, (3)The Pennsylvania State University, Department of Meteorology and Atmospheric Science, University Park, PA, United States, (4)NOAA ESRL, Global Monitoring Division, Boulder, CO, United States, (5)Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, United States