Gravity Wave Influences on Pre-Conditioning of Sudden Stratospheric Warmings and Their Latitudinal Variability

Chihoko Y Cullens, University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, Brentha Thurairajah, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, Lynn Harvey, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, Larisa P Goncharenko, MIT, Pepperell, United States and Erich Becker, NorthWest Research Associates, Boulder, United States