Understanding the Importance of Extra-tropical Cyclones for the North Atlantic Free-tropospheric Aerosol Budget

August Mikkelsen1, Daniel McCoy1, Hamish Gordon2, Mueed Khan2, Rob Wood3 and Isabel Louise McCoy4, (1)University of Wyoming, Laramie, WY, United States, (2)Carnegie Mellon University, Pittsburgh, United States, (3)University of Washington, Seattle, United States, (4)University Corporation for Atmospheric Research, Boulder, United States