Jeannette Wild, Univeristy of Maryland Earth System Science Interdisciplinary Center, College Park, MD, United States, Irina V Petropavlovskikh, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, Audre McClure, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, Koji Miyagawa, NOAA Boulder, Boulder, United States, Bryan J Johnson, NOAA Boulder, ESRL/GMD, Boulder, CO, United States, Craig S Long, NOAA Science Center, College Park, MD, United States and Susan Elaine Strahan, Universities Space Research Association, NASA/code 614, Greenbelt, MD, United States