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Forecasting extreme stratospheric polar vortex events
2020
Nature Communications
Extreme polar vortex events known as sudden stratospheric warmings can influence surface winter weather conditions, but their timing is difficult to predict. Here, we examine factors that influence their occurrence, with a focus on their timing and vertical extent. We consider the roles of the troposphere and equatorial stratosphere separately, using a split vortex event in January 2009 as the primary case study. This event cannot be reproduced by constraining wind and temperatures in the
doi:10.1038/s41467-020-18299-7
pmid:32934223
fatcat:r7dkvbzqzngzzhhtkj2f5gihgy