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The term “polar vortex” has become part of the everyday vocabulary - at least in the USA - but there is some confusion in the media, general public, and science community regarding what polar vortices are and how they are related to various weather events. This seminar will clarify what is meant by polar vortices in the atmospheric science literature, using observations, idealized fluid dynamical models, and general circulation models to examine the structure and dynamics of polar vortices on Earth and Mars (and perhaps beyond).
Professor Darryn Waugh is a Professor of Applied Mathematics within the UNSW School of Mathematics and Statistics, and a Professor of Earth and Planetary Sciences at Johns Hopkins University in Maryland, U.S.