geomagnetic storm

noun

Examples of geomagnetic storm in a Sentence

Recent Examples on the Web
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Its data will feed directly into NOAA's forecasting models to help safeguard satellites, communications systems and power grids from geomagnetic storms. Josh Dinner, Space.com, 9 Sep. 2025 The agency’s three-day forecast indicates a minor geomagnetic storm, measured at a value of up to G2 on a scale of G1 to G5. Jamie Carter, Forbes.com, 6 Sep. 2025 With a Kp index of four — on a scale between zero and nine — tonight’s aurora activity is a result of Monday’s strong to severe geomagnetic storms. Valerie Mesa, People.com, 2 Sep. 2025 The National Oceanic and Atmospheric Administration's Space Weather Prediction Center issued a geomagnetic storm watch for Monday and Tuesday. Jenna Sundel, MSNBC Newsweek, 2 Sep. 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 10 Sep. 2025.

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