Katrina L. Hui, California Institute of Technology, Pasadena, CA, United States and Simona Bordoni, University of Trento, Trento, Italy

Isabel Louise McCoy¹, Daniel McCoy², Robert Wood³, Leighton Anunda Regayre⁴, Duncan Watson-Parris⁵, Dan Grosvenor⁶, Christopher S. Bretherton⁷, Cynthia H Twohy⁸, Andrew Gettelman⁹, Charles Bardeen¹⁰, Jane Patricia Mulcahy¹¹, Yongxiang Hu¹², Frida Bender¹³, Paul Field¹⁴, Ken S Carslaw⁶, Hamish Gordon¹⁵ and Darin W Toohey¹⁶, (1)University of Miami, RSMAS, Miami, FL, United States, (2)University of Wyoming, Laramie, United States, (3)University of Washington, Atmospheric Sciences, Seattle, WA, United States, (4)University of Leeds, Leeds, LS2, United Kingdom, (5)University of Oxford, Oxford, United Kingdom, (6)University of Leeds, Leeds, United Kingdom, (7)Vulcan, Inc., Climate Modeling, Seattle, WA, United States, (8)NorthWest Research Associates Boulder, Boulder, CO, United States, (9)NCAR, Boulder, CO, United States, (10)National Center for Atmospheric Research, Boulder, CO, United States, (11)Met Office Hadley Centre for Climate Change, Exeter, United Kingdom, (12)NASA Langley Research Center, Hampton, VA, United States, (13)Stockholm University, Stockholm, Sweden, (14)United Kingdom Met Office, Exeter, United Kingdom, (15)College of Engineering, Carnegie Mellon University, Pittsburgh, PA, United States, (16)Univ Colorado, Boulder, CO, United States

Gwenore Pokrifka, Penn State University, University Park, United States and Jerry Y Harrington, Pennsylvania State Univ, University Park, PA, United States

Megan Lickley, Massachusetts Institute of Technology, Cambridge, MA, United States, Sarah Fletcher, Stanford University, Stanford, CA, United States, Matthew L Rigby, University of Bristol, Bristol, United Kingdom and Susan Solomon, MIT/EAPS, Cambridge, MA, United States

Laura Kiely¹, Dominick Spracklen², Steve Arnold³, Luke Conibear², Christine Wiedinmyer⁴ and Christoph Knote⁵, (1)University of Leeds, Leeds, LS2, United Kingdom, (2)University of Leeds, Leeds, United Kingdom, (3)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (4)Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, United States, (5)Ludwig-Maximilians-University (LMU), Meteorological Institute, Munich, Germany

Beatrice Giacomini, Columbia University, Department of Civil Engineering and Engineering Mechanics, New York, NY, United States and Marco Giovanni Giometto, Department of Civil Engineering and Engineering Mechanics, Columbia University, New York, NY, United States

Andrea M Jenney¹, David A Randall¹ and Mark Branson², (1)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (2)Colorado State University, Fort Collins, CO, United States

Yi Zhang, Princeton University, Princeton, NJ, United States

Josh Moss¹, Abigail Koss², Alexander Zaytsev³, Martin Breitenlechner⁴, Jordan E. Krechmer⁵, Kevin Nihill¹, Jonathan P. Franklin¹, Christopher Lim⁶, James Rowe¹, Joshua L Cox⁷, Joshua D Shutter⁷, Manjula R Canagaratna⁵, Brian M Lerner⁸, Douglas R Worsnop⁵, Richard Valorso⁹, Marie Camredon⁹, Bernard Aumont⁹, Frank N Keutsch¹⁰ and Jesse H Kroll¹¹, (1)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (2)Tofwerk AG, Thun, Switzerland, (3)Harvard University, Paulson School of Engineering and Applied Sciences, Cambridge, MA, United States, (4)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (5)Aerodyne Research Inc., Billerica, MA, United States, (6)South Coast Air Quality Management District, Diamond Bar, CA, United States, (7)Harvard University, Department of Chemistry and Chemical Biology, Cambridge, MA, United States, (8)NOAA, Earth System Research La, Boulder, CO, United States, (9)University Paris-Est Créteil Val de Marne, Créteil Cedex, France, (10)UW Madison, Madison, WI, United States, (11)Massachusetts Institute of Technology, Cambridge, MA, United States

Alexander Mitchell, SUNY at Albany, Atmospheric and Environmental Sciences, Albany, NY, United States and Lance F Bosart, University at Albany, SUNY, Department of Atmospheric and Environmental Sciences, Albany, NY, United States

Andrea Rohrbacher, University of California Irvine, Irvine, CA, United States and Barbara J Finlayson-Pitts, University of California Irvine, Chemistry, Irvine, CA, United States

Xiaomeng Jin, University of California Berkeley, Berkeley, CA, United States and Arlene M Fiore, Columbia University, Palisades, NY, United States

Jianyu Zheng, University of Maryland Baltimore County, Department of Physics, Baltimore, MD, United States, Anne Garnier, Science Systems and Applications, Inc. Hampton, Hampton, VA, United States, Zhibo Zhang, University of Maryland Baltimore County, Baltimore, MD, United States, Hongbin Yu, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Chenxi Wang, NASA GSFC, Greenbelt, MD, United States; University of Maryland Baltimore County, Joint Center for Earth Systems Technology, Baltimore, MD, United States

Makoto Michael Michael Kelp, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, Nathan Kutz, University of Washington Seattle Campus, Applied Mathematics, Seattle, WA, United States, Julian D Marshall, University of Washington, Seattle, United States and Christopher Tessum, University of Illinois at Urbana Champaign, Civil and Environmental Engineering, Urbana, IL, United States