Avelino F Arellano Jr, University of Arizona, Hydrology and Atmospheric Sciences, Tucson, AZ, United States, Wenfu Tang, National Center for Atmospheric Research, Boulder, CO, United States, Benjamin Gaubert, National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States, Yonghoon Choi, NASA Langley Research Center, Hampton, VA, United States, Joshua P DiGangi, NASA Langley Research Center, Chemistry and Dynamics Branch, Hampton, VA, United States and Glenn S Diskin, NASA Langley Research Ctr, Hampton, VA, United States