geomagnetic storm

noun

Examples of geomagnetic storm in a Sentence

Recent Examples on the Web
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No minor or greater geomagnetic storms or significant solar winds are expected, though scientists were surprised by severe geomagnetic and solar radiation storms earlier this week that pushed the lights’ visibility into the deep south. Mary Whitfill Roeloffs, Forbes.com, 21 Jan. 2026 That level suggests the northern lights could be visible south of the Canadian border, even though no minor or major geomagnetic storms are currently predicted. Valerie Mesa, PEOPLE, 21 Jan. 2026 The aurora was spawned from a coronal mass ejection, known as a CME, which created a strong geomagnetic storm in Earth’s magnetic fields. Cnn.com Wire Service, Mercury News, 20 Jan. 2026 Auroras may be visible as far south as New York tonight as G2-level geomagnetic storm conditions continue, with a Kp index expected to peak at 6. Michele Laufik, Martha Stewart, 20 Jan. 2026 See All Example Sentences for geomagnetic storm

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of geomagnetic storm was in 1941

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Cite this Entry

“Geomagnetic storm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geomagnetic%20storm. Accessed 28 Jan. 2026.

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