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Article

High-Rate Precipitation Occurrence Modulated by Solar Wind High-Speed Streams

1
Physics Department, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
2
Astronomical Institute, Slovak Academy of Sciences, SK-059 60 Tatranská Lomnica, Slovakia
3
Northern Ontario School of Medicine, Thunder Bay, ON P7B 5E1, Canada
*
Author to whom correspondence should be addressed.
Academic Editors: Elenio Avolio and Stefano Federico
Atmosphere 2021, 12(9), 1186; https://doi.org/10.3390/atmos12091186
Received: 30 July 2021 / Revised: 9 September 2021 / Accepted: 10 September 2021 / Published: 15 September 2021
Extreme weather events, such as heavy rainfall causing floods and flash floods continue to present difficult challenges in forecasting. Using gridded daily precipitation datasets in conjunction with solar wind data it is shown that high-rate precipitation occurrence is modulated by solar wind high-speed streams. Superposed epoch analysis shows a statistical increase in the occurrence of high-rate precipitation following arrivals of high-speed streams from coronal holes, including their recurrence with the solar rotation period of 27 days. These results are consistent with the observed tendency of heavy rainfall leading to floods and flash floods in Japan, Australia, and continental United States to follow arrivals of high-speed streams. A possible role of the solar wind–magnetosphere–ionosphere–atmosphere coupling in weather as mediated by globally propagating aurorally excited atmospheric gravity waves triggering conditional moist instabilities leading to convection in the troposphere that has been proposed in previous publications is highlighted. View Full-Text
Keywords: precipitation; flash floods; solar wind high-speed streams; atmospheric gravity waves; tropospheric convection precipitation; flash floods; solar wind high-speed streams; atmospheric gravity waves; tropospheric convection
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MDPI and ACS Style

Prikryl, P.; Rušin, V.; Prikryl, E.A. High-Rate Precipitation Occurrence Modulated by Solar Wind High-Speed Streams. Atmosphere 2021, 12, 1186. https://doi.org/10.3390/atmos12091186

AMA Style

Prikryl P, Rušin V, Prikryl EA. High-Rate Precipitation Occurrence Modulated by Solar Wind High-Speed Streams. Atmosphere. 2021; 12(9):1186. https://doi.org/10.3390/atmos12091186

Chicago/Turabian Style

Prikryl, Paul, Vojto Rušin, and Emil A. Prikryl 2021. "High-Rate Precipitation Occurrence Modulated by Solar Wind High-Speed Streams" Atmosphere 12, no. 9: 1186. https://doi.org/10.3390/atmos12091186

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