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Abstract <p>Data from the MERRA-2 archive were used to study characteristics of the Northern Hemisphere’s middle atmosphere during the solar proton events of January 2005. It was found that the events were accompanied by sharp changes in zonal wind speed and temperature in the high-latitude atmosphere. The results obtained provide evidence of an intensification of the stratospheric polar vortex during the events, which was followed by a sharp weakening of the vortex and the development of a stratospheric warming.</p>

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Variations in Characteristics of the Northern Hemisphere’s Middle Atmosphere during Solar Proton Events of January 2005

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • S. V. Veretenenko

摘要

Abstract

Data from the MERRA-2 archive were used to study characteristics of the Northern Hemisphere’s middle atmosphere during the solar proton events of January 2005. It was found that the events were accompanied by sharp changes in zonal wind speed and temperature in the high-latitude atmosphere. The results obtained provide evidence of an intensification of the stratospheric polar vortex during the events, which was followed by a sharp weakening of the vortex and the development of a stratospheric warming.