Xinxin Ye¹, Pablo E Saide¹, Arlindo daSilva², Shobha Kondragunta³, Alexei Lyapustin², Yujie Wang², Jeffrey McQueen⁴, Richard J Engelen⁵, Vincent-Henri Peuch⁵, Mark Parrington⁵, R. Bradley Pierce⁶, Ravan Ahmadov⁷, Georg A Grell⁸, Edward J Hyer⁹, Didier Davignon¹⁰, Paul Makar¹¹, Louisa K Emmons¹² and Daven K Henze¹³, (1)University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)NOAA/NESDIS/STAR, College Park, MD, United States, (4)NOAA, Center for Weather and Climate Prediction, National Weather Service, College Park, MD, United States, (5)European Centre for Medium-Range Weather Forecasts, Reading, United Kingdom, (6)Space Science and Engineering Center, University of Wisconsin Madison, Madison, WI, United States, (7)NOAA/ESRL/CSD, Boulder, CO, United States, (8)NOAA Earth System Research Laboratory, Boulder, CO, United States, (9)Naval Research Laboratory, Marine Meteorology Division, Monterey, CA, United States, (10)Canadian meteorological Centre Operations, MSC-CCMEP, Dorval, QC, Canada, (11)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (12)National Center for Atmospheric Research, Boulder, CO, United States, (13)University of Colorado Boulder, Boulder, CO, United States