Examples of fast solar wind transients, their sources and the forecast of possible geomagnetic impact

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Published: Jan 1, 2000
DOI: https://doi.org/10.22201/igeof.00167169p.2000.39.1.289
Keywords:
Solar wind, geomagnetic storms, solar activity

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D. Berdichevsky
Raytheon-ITSS Corporation, Greenbelt, USA ; NASA/Goddard Space Flight Center, Greenbelt, USA
J. G. Richardson
Dept. of Astron., Univ. of Maryland College Park, USA ; NASA/Goddard Space Flight Center, Greenbelt, USA
https://orcid.org/0000-0002-3855-3634
B. J. Thomspson
NASA/Goddard Space Flight Center, Greenbelt, USA
D. V. Reames
NASA/Goddard Space Flight Center, Greenbelt, USA
https://orcid.org/0000-0001-9048-822X
R. MacDowall
NASA/Goddard Space Flight Center, Greenbelt, USA
S. P. Plunkett
USRA, at Naval Research Laboratory, Washington, USA ; Naval Research Laboratory, Washington, USA
D. J. Michels
Naval Research Laboratory, Washington, USA
M. L. Kaiser
NASA/Goddard Space Flight Center, Greenbelt, USA
R. P. Lepping
NASA/Goddard Space Flight Center, Greenbelt, USA
K. W. Ogilvie
NASA/Goddard Space Flight Center, Greenbelt, USA
R. G. Stone
NASA/Goddard Space Flight Center, Greenbelt, USA

Abstract

We present examples of solar ejecta, including possible interplanetary magnetic clouds, which generated fast forward interplanetary shocks as they moved rapidly through the interplanetary medium. These events occurred before and during the ISTP era. The example from 1982, close to solar maximum, was observed by the SOLWIND, ISEE, HELIOS, and IMP spacecraft which provide wide coverage of the Sun and inner heliosphere. The second event occurred on May 1998. A detailed description of its solar origin is provided by observations from instruments on the SOHO spacecraft, while observations of the shock-generated radio emissions and energetic particles and near-earth solar wind magnetic fields and plasmas are provided by the Wind spacecraft. We revisit potential tools for space weather forecasting, namely: the power of monitoring the Sun with sensors located within a wide range of heliospheric longitudes and distances, the high resolution in time and light-intensity of the extreme ultraviolet imager and solar coronograph, the remote sensing of drifting radio emissions and the local observation of MeV energetic ions.

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Berdichevsky, D., Richardson, J. G., Thomspson, . B. J., Reames, D. V., MacDowall, R., Plunkett, S. P., … Stone, R. G. (2000). Examples of fast solar wind transients, their sources and the forecast of possible geomagnetic impact. Geofisica Internacional, 39(1), 5–11. https://doi.org/10.22201/igeof.00167169p.2000.39.1.289
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Vol. 39 No. 1 (2000): January 1, 2000
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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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