geomagnetic storm

noun

Examples of geomagnetic storm in a Sentence

Recent Examples on the Web
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Astrophotographer Egon Filter captured the faint purple-red glow from Cambará do Sul, in Brazil's Rio Grande do Sul state, during the peak of the geomagnetic storm. Daisy Dobrijevic, Space.com, 4 Feb. 2026 These CMEs could cause minor G1 to G2 geomagnetic storms, creating a chance to see the northern lights on Thursday, February 5. Michele Laufik, Martha Stewart, 4 Feb. 2026 The space weather center issued a G1 geomagnetic storm watch for a heightened risk of minor disturbances to Earth's magnetic field from the portion of the field that may reach the Earth. Dinah Voyles Pulver, USA Today, 3 Feb. 2026 The sun has continued to emit strong solar flares and geomagnetic storms ever since, leading to an increase in frequency of northern lights. Julia Jacobo, ABC News, 3 Feb. 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 13 Feb. 2026.

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