Transport at the Top of the Polar Vortices in WACCM

V Lynn Harvey, Laboratory for Atmospheric and Space Physics, Boulder, United States, Larisa P Goncharenko, MIT Haystack Observatory, Westford, United States, Cora E Randall, University of Colorado at Boulder, Boulder, CO, United States, Jeff France, Univ Colorado, Boulder, CO, United States, Fabrizio Sassi, Naval Research Lab DC, Washington, United States and Ethan D Peck, Columbia University of New York, Palisades, NY, United States