Gregory J Hakim, University of Washington, Seattle, WA, United States, Karin Bumbaco, University of Washington, Seattle, United States, Robert Tardif, University of Washington Seattle Campus, Seattle, WA, United States, Jordan G Powers, National Center for Atmospheric Research, Boulder, CO, United States, Matthew A. Lazzara, University of Wisconsin-Madison, Antarctic Meteorological Research Center, Space Science and Engineering Center, Madison, WI, United States, Kevin Manning, National Center for Atmospheric Research, Boulder, United States and David Mikolajczyk, University of Wisconsin, Madison, United States