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Space weather forecast: Principles of the construction and boundaries of the implementation (experience of three cycles)

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Abstract

All significant short-term disturbances of the near-Earth space are caused exclusively by solar flare events and regions in the solar corona with the magnetic field open into the interplanetary space (coronal holes). Flare processes occur as a consequence of the interactions of new emerging magnetic fluxes within (flares) and outside (filament ejections) the active regions with already existing magnetic fields. The observation of emerging new magnetic fluxes and the estimate of their magnitude and the emerging rate allow one to forecast solar flares and filament ejections and estimate their degree of geoeffectiveness. The main agents that visualize the propagation of disturbance from solar flares and filaments in the solar corona and the interplanetary space are coronal mass ejections, the characteristics of which ideally allow one to estimate the possible disturbance of the geomagnetic field, the possible growth of high-energy charged particle fluxes in the near-Earth space. For successful forecast of geoeffective active phenomena on the Sun and their consequences in the near-Earth space, it is necessary to know the situation on the Sun for the last 3 days taking into account the development and characteristics of the current cycle and the epoch of solar activity.

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Authors and Affiliations

  1. Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, Russian Academy of Sciences, Troitsk, Moscow oblast, 142092, Russia

    V. N. Ishkov

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  1. V. N. Ishkov
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Correspondence to V. N. Ishkov.

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Original Russian Text © V.N. Ishkov, 2017, published in Kosmicheskie Issledovaniya, 2017, Vol. 55, No. 6, pp. 391–398.

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Ishkov, V.N. Space weather forecast: Principles of the construction and boundaries of the implementation (experience of three cycles). Cosmic Res 55, 381–388 (2017). https://doi.org/10.1134/S0010952517060053

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  • DOI: https://doi.org/10.1134/S0010952517060053

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