Satellite observational study reveals surging solar wind dynamic pressure and magnetic variability in near-Earth space, highlighting drivers of severe magnetospheric disturbances.
This paper investigates the dynamics of the main parameters of the solar wind and the interplanetary magnetic field based on satellite observations during the extreme geospace storm of May 10–11, 2024. It was found that there was a significant increase in the number density, velocity, temperature, and dynamic pressure of solar wind particles and a sharp increase in the variability of the interplanetary magnetic field components during the storm. These changes contributed to the development of powerful disturbances in the Earth’s magnetosphere. A systems spectral analysis revealed that the spectra of the solar wind and interplanetary magnetic field parameters were dominated by components with periods of 150–190 min.
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Chernogor et al. (2026) studied this question.
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