The extreme solar storm of May 1921: observations and a complex topological model

H. Lundstedt, Tomas Persson, V. Andersson

Research output: Contribution to journalArticlepeer-review

Abstract

A complex solid torus model was developed in order to be able to study an extreme solar storm, the so-called "Great Storm" or "New York Railroad Storm" of May 1921, when neither high spatial and time resolution magnetic field measurements, solar flare nor coronal mass ejection observations were available. We suggest that a topological change happened in connection with the occurrence of the extreme solar storm. The solar storm caused one of the most severe space weather effects ever.
Original languageEnglish
Pages (from-to)109-116
JournalAnnales Geophysicae
Volume33
Issue number1
DOIs
Publication statusPublished - 2015

Subject classification (UKÄ)

  • Astronomy, Astrophysics and Cosmology

Free keywords

  • Solar physics astrophysics and astronomy
  • magnetic fields

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