geomagnetic storm

noun

Examples of geomagnetic storm in a Sentence

Recent Examples on the Web
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As such, forecasts and geomagnetic storm alerts may be updated accordingly. Daisy Dobrijevic, Space.com, 10 Nov. 2025 As well as visibility of the northern lights, strong geomagnetic storms can also cause problems with technology, such as fluctations in the power grid and interference with satellites, which can affect GPS. Shane Croucher, MSNBC Newsweek, 6 Nov. 2025 According to the Cincinnati Astronomical Society, the Kp index, which is used to characterize the magnitude of geomagnetic storms, is reading near 7. Kaycee Sloan, Cincinnati Enquirer, 6 Nov. 2025 At least one of the CMEs is expected to arrive late Thursday into early Friday as a strong G3 geomagnetic storm, according to NOAA. Julia Jacobo, ABC News, 6 Nov. 2025 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 Nov. 2025.

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