geomagnetic storm

noun

Examples of geomagnetic storm in a Sentence

Recent Examples on the Web
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The Voyager 2 mission may have caught Uranus at a special time during which the ice giant's radiation belts were being supercharged with electrons accelerated by a similar process to what can drive geomagnetic storms on Earth. Keith Cooper, Space.com, 10 Dec. 2025 While not as intense as November’s, the CME impacting Earth Tuesday could cause a level-3 geomagnetic storm (5 is the highest on the G-scale), according to NOAA’s Space Weather Prediction Center. Jeremy Tanner, The Hill, 10 Dec. 2025 Forecasters at the National Oceanic and Atmospheric Administration (NOAA) say more northern lights could flicker across parts of the country this evening, following the geomagnetic storms that swept through on Monday. Valerie Mesa, PEOPLE, 9 Dec. 2025 On another geomagnetic storm scale, NOAA ranks the event a G1, which is considered a minor event. Melina Khan, USA Today, 8 Dec. 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 23 Dec. 2025.

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