Kimberlee Dube, University of Saskatchewan, Physics and Engineering Physics, Saskatoon, SK, Canada, Susann Tegtmeier, University of Saskatchewan, Saskatoon, Canada, Felix Ploeger, Forschungszentrum Jülich GmbH, IEK-7, Jülich, Germany and Kaley Walker, University of Toronto, Toronto, Canada

Selena Zhang, Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States, Susan Solomon, MIT/EAPS, Cambridge, MA, United States, Jun Zhang, National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States and Douglas Edward Kinnison, NCAR, Boulder, United States

Anish Kumar and Christoph Jacobi, Institute for Meteorology, Leipzig University, Leipzig, Germany

Elizabeth Asher^1,2, Alexandre Baron³, Michael Todt^1,4, Kate Smith^1,4, Emrys Hall², Alex Fritz^1,2, Sean M Davis⁴, Eric A Ray^1,5, Patrick Cullis², Penny Smale⁶, Richard Querel⁶, Matthew Martinsen⁷, Ghassan Taha⁸, Pengfei Yu⁹, Stephanie Evan^10,11, Jerome F Brioude¹⁰, Paul J. Walter¹², Sergio Luiz Alvarez¹³, James Flynn¹⁴, Gary A Morris², Karen Hepler Rosenlof⁴ and Troy D Thornberry⁴, (1)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (2)NOAA Global Monitoring Laboratory, Boulder, United States, (3)CIRES, U. of Colorado, Boulder / NOAA Chemical Sciences Laboratory, Boulder, United States, (4)NOAA Chemical Sciences Laboratory, Boulder, United States, (5)NOAA Chemical Sciences Division, Boulder, United States, (6)National Institute of Water & Atmospheric Research (NIWA), Lauder, New Zealand, (7)NOAA Global Monitoring Laboratory, Hilo, United States, (8)Morgan State University, NASA/code 614, Baltimore, MD, United States, (9)CIRES, Boulder, United States, (10)CNRS / Université de La Réunion / Météo-France, Laboratoire de l'Atmosphere et des Cyclones (LACy), Saint-Denis, Reunion, (11)Laboratoire de l’Atmosphère et des Cyclones, Saint-Denis, Reunion, (12)St. Edward's University, Austin, United States, (13)University of Houston, Department of Earth and Atmospheric Sciences, Houston, United States, (14)University of Houston, Houston, United States

Zachary Decker¹, Gordon Novak², Ewa Bednarz³, Steven S Brown², Adam Ahern^4,5, Thaopaul V Bui⁶, Jonathan M Dean-Day⁷, Glenn S Diskin⁸, Geoffrey S Dutton⁵, Colin Gurganus⁵, Brad David Hall⁹, Eric J Hintsa⁵, Christopher Jernigan¹⁰, Michael Lawler⁵, Ming Lyu⁵, Samantha Lee¹¹, Fred L Moore⁵, Daniel Murphy², Jon David Nance⁵, Eric A Ray⁵, Michael A Robinson⁵, Gregory P Schill², Troy D Thornberry², Patrick Veres¹², Eleanor Waxman⁵ and Andrew W Rollins², (1)Cooperative Institute for Research in Environmental Sciences, CU Boulder, Boulder, United States, (2)NOAA Chemical Sciences Laboratory, Boulder, United States, (3)CIRES / NOAA Chemical Sciences Laboratory, Boulder, United States, (4)NOAA, Chemical Sciences Laboratory, Boulder, United States, (5)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (6)NASA Ames Research Center, Moffett Field, United States, (7)Bay Area Environmental Research Institute, Moffett Field, United States, (8)NASA Langley Research Center, Hampton, United States, (9)Retired, Boulder, United States, (10)Environmental Protection Agency, Durham, United States, (11)Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, United States, (12)National Center for Atmospheric Research, Earth Observing Laboratory, Boulder, United States

Peidong Wang, Stanford University, Stanford, CA, United States; Massachusetts Institute of Technology, Cambridge, United States, Susan Solomon, MIT/EAPS, Cambridge, MA, United States, Clara Deser, National Center for Atmospheric Research, Climate and Global Dynamics Division, Boulder, CO, United States, David W J Thompson, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States and Noah S Diffenbaugh, Stanford University, Earth System Science, Stanford, United States

Cong Dong, University of Washington Seattle, Seattle, Washington, UNITED STATES and Qiang Fu, University of Washington, Seattle, United States

Gennadi P Milinevsky^1,2, Asen Grytsai³, Ruixian Yu¹, Oleksandr Evtushevsky³, Volodymyr Reshetnyk³, Diana Zazubyk³, Andrew R Klekociuk⁴ and Yuliia Yukhymchuk^1,5, (1)Jilin University, College of Physics, International Center of Future Science, Changchun, China, (2)National Antarctic Scientific Center of Ukraine, Kyiv, Ukraine, (3)Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, (4)Australian Antarctic Division, Kingston, TAS, Australia, (5)Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine

Hayakawa Ryo, Hokkaido University, Sapporo, Japan and Yoshio Kawatani, Hokkaido Univeristy, Sapporo, Japan

Yoshio Kawatani, Hokkaido Univeristy, Sapporo, Japan and QBOi-ers

Mark R Schoeberl, Science and Technology Corporation, Earth Sciences, Boulder, CO, United States, Yi Wang, Texas A & M University, College Station, TX, United States and Rei Ueyama, NASA Ames Research Center, Moffett Field, CA, United States

Paul W. Staten, Indiana University Bloomington, Geological Sciences, Bloomington, IN, United States, Ben Kravitz, Indiana University, Bloomington, United States, Ewa Bednarz, CIRES / NOAA Chemical Sciences Laboratory, Boulder, United States and Joseph Hildebranski, National Weather Service, Anchorage, United States

Lan Luan¹, Pu Lin², M. Joan Alexander¹, Martina Bramberger³, Laura Holt¹, Ming Zhao² and Chuntao Liu⁴, (1)NorthWest Research Associates Boulder, Boulder, United States, (2)NOAA/OAR/Geophysical Fluid Dynamics Laboratory, Princeton, United States, (3)National Center for Atmospheric Research, Boulder, United States, (4)Texas A & M University Corpus Christi, Corpus Christi, TX, United States

Wooseok Jang and JinHo Yoon, Gwangju Institute of Science and Technology, Department of Environment and Energy Engineering, Gwangju, South Korea

Alexandre Baron^1,2, Kate Smith^1,2, Elizabeth Asher^1,3, Parker Alexander Case^4,5, Peter Richard Colarco⁶, Emrys Hall³, Patrick Cullis⁷, Alex Fritz¹, Stephanie Evan⁸, Jerome F Brioude⁸, Jean-Marc Metzger⁹, Matthew Martinsen^1,10, Darryl Kuniyuki¹⁰, David Nardini¹⁰, Penny Smale¹¹, Ben Liley¹¹, Richard Querel¹¹ and Troy D Thornberry², (1)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (2)NOAA Chemical Sciences Laboratory, Boulder, United States, (3)NOAA Global Monitoring Laboratory, Boulder, United States, (4)Earth System Science Interdisciplinary Center, College PARK, United States, (5)NASA Goddard Space Flight Center, Greenbelt, United States, (6)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (7)NOAA/ESRL Global Monitoring Laboratory, Boulder, United States, (8)CNRS / Université de La Réunion / Météo-France, Laboratoire de l'Atmosphere et des Cyclones (LACy), Saint-Denis, Reunion, (9)CNRS / Université de La Réunion / Météo-France, Observatoire des Sciences de l’Univers de La Réunion, Saint-Denis, Reunion, (10)NOAA Global Monitoring Laboratory, Hilo, United States, (11)New Zealand Institute for Earth Science Limited, Lauder, New Zealand

Sophie Abou-Rizk¹, Yaowei Li², Zezhen Cheng³, Zhenli Lai⁴, Brian O'Callahan⁵, Gregory W Vandergrift⁴, Nurun Nahar Lata⁶, Ashfiqur Rahman⁴, Swarup China³ and Frank N Keutsch⁷, (1)Harvard University, Cambridge, MA, United States, (2)Massachusetts Institute of Technology, Cambridge, MA, United States, (3)Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory, Richland, United States, (4)Pacific Northwest National Laboratory, Richland, United States, (5)Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory, Richland, WA, United States, (6)Pacific Northwest National Laboratory, EMSL, Richland, United States, (7)Harvard University, Cambridge, United States

Kirstin Koepnick, Harvard University, Applied Mathematics, Cambridge, MA, United States, Nili Harnik, Tel Aviv, Israel, Prof. David A Randall, Colorado State University, Fort Collins, United States and Eli Tziperman, Harvard University, Cambridge, MA, USA., Cambridge, United States

Corey Pedersen, Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, David Verbart, Harvard University, Chemistry and Chemical Biology, Cambridge, MA, United States and Frank N Keutsch, Harvard University, Cambridge, United States

Ilaria Quaglia¹, Simone Tilmes², Charles Bardeen¹, Francis Vitt¹, Ewa Bednarz³ and Daniele Visioni⁴, (1)National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States, (2)NSF National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States, (3)CIRES / NOAA Chemical Sciences Laboratory, Boulder, United States, (4)Cornell University, Ithaca, NY, United States

Ewa Bednarz, CIRES / NOAA Chemical Sciences Laboratory, Boulder, United States, Amy H Butler, NOAA Chemical Sciences Laboratory, University of Colorado, Boulder, United States, Xinyue Wang, University of Colorado at Boulder, ATOC, Boulder, United States, Zhihong Zhuo, University of Quebec in Montreal (UQAM), Department of Earth and Atmospheric Sciences, Montreal, QC, Canada, Wandi Yu, Lawrence Livermore National Laboratory, Livermore, United States, Georgiy L Stenchikov, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia, Matthew Toohey, University of Saskatchewan, Saskatoon, Canada and Yunqian Zhu, Cooperative Institute for Research in Environmental Sciences, Boulder, United States

Siming Liu, The University of Chicago, Department of Geophysical Sciences, Chicago, United States and Noboru Nakamura, University of Chicago, Department of the Geophysical Sciences, Chicago, United States

Yiyang Zhang^1,2, Jonathan H. Jiang³, Hartmut Aumann⁴, Jiani Yang⁵, Xun Jian⁶, Yangcheng Luo⁷, Qunfeng Jiang⁸ and Yuk L Yung⁵, (1)Fudan University, Shanghai, China, (2)California Institute of Technology, Pasadena, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)NASA Jet Propulsion Laboratory, Pasadena, United States, (5)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States, (6)Southern University of Science and Technology, Department of Earth and Space Sciences, Shenzhen, China, (7)LMD/IPSL, Sorbonne Université, ENS, PSL, Ecole polytechnique, Institut Polytechnique de Paris, CNRS, Paris, France, (8)University of Hong Kong, Hong Kong, Hong Kong

Brentha Thurairajah, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States and Chihoko Y Cullens, University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States

Xiuyuan Ding, University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States and Baoqiang Xiang, NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, United States

Yifeng Peng, Lanzhou University, Lanzhou, China

Markus Jesswein¹, Bianca Baier², Fred L Moore³, Tim Newberger⁴, Jack Higgs⁴, Sonja Wolter⁵, Geoffrey S Dutton³, Brad David Hall⁶ and Colm Sweeney⁴, (1)CIRES/NOAA, Boulder, CO, UNITED STATES, (2)NOAA ESRL Global Monitoring Division, Boulder, United States, (3)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (4)NOAA, Global Monitoring Laboratory, Boulder, United States, (5)NOAA Boulder, Global Monitoring Division, Boulder, United States, (6)Retired, Boulder, United States

Parker Alexander Case^1,2, Peter Richard Colarco³, Won-Ei Choi¹, Nickolay Anatoly Krotkov¹, Patricia Castellanos⁴ and Omar Torres³, (1)NASA Goddard Space Flight Center, Greenbelt, United States, (2)Earth System Science Interdisciplinary Center, College PARK, United States, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)NASA Goddard Space Flight Center, Global Modeling and Assimilation Office (Code 610.1), Greenbelt, United States

Yoav Lederer¹, Brian E J Rose², Dorri Halbertal¹ and Nahliel Wygoda¹, (1)Stardust Solutions, Inc., Climate modeling, Rehovot, Israel, (2)SUNY at Albany, Albany, NY, United States

Paul A Newman, NASA Goddard Space Flight Center, Code 610, Greenbelt, MD, United States, Leslie R Lait, NASA ARC/GSFC, Greenbelt, United States, Lawrence Coy, NASA GSFC and SSAI, Greenbelt, United States and Natalya A Kramarova, NASA Goddard Space Flight Center, Greenbelt, United States

Gregory P Schill, NOAA Boulder, Boulder, CO, United States, Michael J Lawler, Cooperative Institute for Research in Environmental Sciences, Boulder, United States and Daniel Murphy, NOAA Chemical Sciences Laboratory, Boulder, United States

Lyatt Jaegle¹, Luke Oman², Jun Wang³, Matthew T DeLand⁴, M Joan Alexander⁵, Adam E Bourassa⁶, Philip J Cameron-Smith⁷, Peter Richard Colarco⁸, Qiang Fu⁹, Andrew Gettelman¹⁰, John C Gille¹¹, Thomas F Hanisco⁸, V Lynn Harvey¹², Neil Hindley¹³, Laura Angelina Holt¹⁴, Daehyun Kim¹⁵, Paul A Newman¹⁶, Clara Orbe¹⁷, Ryan M Stauffer², Kimberly Strong¹⁸, Ghassan Taha¹⁹, Qi Tang²⁰, Alexander J Turner²¹, Krzysztof Wargan², Helen Marie Worden²², Corwin Wright²³ and Daniel Zawada²⁴, (1)University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States, (2)NASA Goddard Space Flight Center, Greenbelt, United States, (3)the University of Iowa, Iowa City, United States, (4)Sci Systems & Applications Inc, Lanham, MD, United States, (5)NorthWest Research Associates Boulder, Boulder, United States, (6)University of Saskatchewan, Department of Physics & Engineering Physics, Saskatoon, SK, Canada, (7)LLNL, Livermore, United States, (8)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (9)University of Washington, Seattle, United States, (10)Pacific Northwest National Laboratory, Richland, WA, United States, (11)NCAR, Boulder, United States, (12)Laboratory for Atmospheric and Space Physics, Boulder, United States, (13)University of Bath, Bath, United Kingdom, (14)NorthWest Research Associates, Boulder, United States, (15)Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, (16)NASA Goddard Space Flight Center, Code 610, Greenbelt, MD, United States, (17)NASA Goddard Institute for Space Studies, New York, NY, United States, (18)University of Toronto, Department of Physics, Toronto, ON, Canada, (19)Morgan State University, NASA/code 614, Baltimore, MD, United States, (20)Lawrence Livermore National Laboratory, Livermore, United States, (21)University of Washington, Department of Atmospheric and Climate Science, Seattle, United States, (22)NSF National Center for Atmospheric Research (NSF NCAR), Atmospheric Chemistry Observations & Modeling Laboratory (ACOM), Boulder, CO, United States, (23)University of Bath, Centre for Climate Adaptation and Environment Research, Bath, United Kingdom, (24)University of Saskatchewan, Saskatoon, SK, Canada

Jae Won Lee¹, Yutian Wu¹ and Simon Lee², (1)Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, (2)University of St Andrews, St Andrews, United Kingdom

Qinlan Yang^1,2, Yueyue Yu¹ and Xin Xia³, (1)Nanjing University of Information Science & Technology, Nanjing, China, (2)University of Reading, Department of Meteorology, Reading, United Kingdom, (3)Shenzhen National Climate Observatory, Meteorological Bureau of Shenzhen Municipality, Shenzhen, China

Ganesh Chelluboyina, Washington University in St Louis, Energy, Environmental and Chemical Engineering, St. Louis, MO, United States and Rajan Chakrabarty, Washington University in St Louis, Energy, Environmental and Chemical Engineering, St. Louis, United States

Taveen Singh Kapoor¹, Prabhav Upadhyay², Jian Huang³, Guodong Ren⁴, John Cavin⁴, Dhruv Mitroo⁵, Joshin Kumar⁶, Jordan Hachtel⁷, Rohan Mishra⁴ and Rajan Chakrabarty¹, (1)Washington University in St Louis, Energy, Environmental and Chemical Engineering, St. Louis, United States, (2)Washington University in St Louis, Energy, Environmental and Chemical Engineering, St. Louis, MO, United States, (3)Washington University in St Louis, St. Louis, United States, (4)Washington University in St Louis, Institute of Materials Science and Engineering, St. Louis, United States, (5)University of Miami, Department of Atmospheric Sciences, Miami, FL, United States, (6)Washington University in St. Louis, Saint Louis, United States, (7)Oak Ridge National Lab, Oak Ridge, United States

Manuel de la Torre Juarez, NASA Jet Propulsion Laboratory, Pasadena, United States, Terence L Kubar, Colorado State University, Fort Collins, CO, United States, Jonas Katona, Yale University, Mathematics, New Haven, United States and Joseph Turk, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States

Anil Kumar Khadka, University at Albany State University of New York, Albany, NY, United States and Fangqun Yu, SUNY at Albany, Atmospheric Sciences Research Center, Albany, United States

Bianca Baier¹, Colm Sweeney², Jack Higgs², Timothy Newberger³, Sonja Wolter⁴, Jianghanyang Li⁵ and Fred L Moore⁶, (1)NOAA Boulder, Boulder, CO, United States, (2)NOAA, Global Monitoring Laboratory, Boulder, United States, (3)NOAA Boulder, Global Monitoring Division, Boulder, CO, United States, (4)NOAA Boulder, Global Monitoring Division, Boulder, United States, (5)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, United States, (6)Cooperative Institute for Research in Environmental Sciences, Boulder, United States