Variations in characteristics of the northern hemisphere's middle atmosphere during solar proton events of January 2005

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Abstract

Characteristics of the middle atmosphere of the Northern hemisphere were investigated during Solar Proton Events of January 2005; the data of the MERRA-2 archive being used. It was found that the events under study were accompanied by sharp changes of zonal wind velocity and temperature in the high-latitudinal atmosphere. The obtained results provide evidence for an intensification of the stratospheric polar vortex during the studied events, which was followed by a sharp weakening of the vortex and the development of a small stratospheric warming.

About the authors

S. V. Veretenenko

Ioffe Institute of the Russian Academy of Sciences

Email: s.veretenenko@mail.ioffe.ru
St. Petersburg, Russia

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