Ben Kravitz¹, Douglas MacMartin², Simone Tilmes³, Jadwiga Richter⁴, Michael J Mills³, Wei Cheng², Katherine Dagon⁵, Anne Sasha Glanville⁶, Isla Simpson⁴, J F Lamarque⁷, Joseph J Tribbia⁷ and Francis Vitt⁵, (1)Indiana University Bloomington, Earth and Atmospheric Sciences, Bloomington, IN, United States, (2)Cornell University, Sibley School of Mechanical and Aerospace Engineering, Ithaca, NY, United States, (3)National Center for Atmospheric Research, Atmospheric Chemistry, Observations, and Modeling Laboratory, Boulder, CO, United States, (4)National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, CO, United States, (5)National Center for Atmospheric Research, Boulder, CO, United States, (6)National Center for Atmospheric Research, Boulder, United States, (7)NCAR, Boulder, CO, United States