The electric storm of November 1882

Space Weather



In November 1882, an intense magnetic storm related to a large sunspot group caused widespread interference to telegraph and telephone systems and provided spectacular and unusual auroral displays. The (ring current) storm time disturbance index for this storm reached maximum −Dst ≈ 386 nT, comparable to Halloween storm of 29–31 October 2003, but from 17 to 20 November the aa midlatitude geomagnetic disturbance index averaged 214.25 nT, the highest 4 day level of disturbance since the beginning of aa index in 1868. This storm contributed to scientists' understanding of the reality of solar‐terrestrial interaction. Past occurrences of magnetic storms, like that of November 1882, can inform modern evaluations of the deleterious effects that a magnetic superstorm might have on technological systems of importance to society.

Publication type Article
Publication Subtype Journal Article
Title The electric storm of November 1882
Series title Space Weather
DOI 10.1002/2017SW001795
Volume 16
Issue 1
Year Published 2018
Language English
Publisher AGU
Contributing office(s) Geologic Hazards Science Center
Description 10 p.
First page 37
Last page 46
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