A Gannet Hallar, University of Utah and DRI/Storm Peak Laboratory, Salt Lake City, UT, United States, Dan A Jaffe, Univ of WA-Sci & Technology, Bothell, WA, United States, Sara Lance, University at Albany State University of New York, ASRC, Albany, NY, United States, John C Lin, University of Utah, Atmospheric Sciences, Salt Lake City, UT, United States and Ian McCubbin, Desert Research Institute, Reno, NV, United States