Louisa K Emmons¹, Rebecca Schwantes², Forrest Lacey³, Simone Tilmes⁴, Nicholas Davis⁵, Stacy Walters³, Peter Hjort Lauritzen⁶, Patrick Callaghan³, Julio T Bacmeister⁷ and Richard B Neale⁶, (1)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling, Boulder, CO, United States, (2)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States, (3)National Center for Atmospheric Research, Boulder, CO, United States, (4)National Center for Atmospheric Research, Atmospheric Chemistry, Observations, and Modeling Laboratory, Boulder, CO, United States, (5)National Center for Atmospheric Research, Boulder, United States, (6)NCAR, Boulder, CO, United States, (7)AMP/CGD, Boulder, CO, United States