1. A New Look at Stratospheric Sudden Warmings. Part III: Polar Vortex Evolution and Vertical Structure Matthewman, N. J.; Esler, J. G.; Charlton-Perez, A. J.; Polvani, Lorenzo M. 2009 Articles AtmosphereMeteorologyAtmosphere, Upper
2. The Frequency and Dynamics of Stratospheric Sudden Warmings in the 21st Century Charlton-Perez, A. J.; Polvani, Lorenzo M.; Austin, J.; Li, F. 2008 Articles Atmosphere, UpperAtmosphereMeteorology