geomagnetic storm

noun

Examples of geomagnetic storm in a Sentence

Recent Examples on the Web
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The April full moon will coincide wth a potential geomagnetic storm (G1) that could take place overnight April 11 into April 12, according to an update by the NOAA Space Weather Prediction Center. Meredith Garofalo, Space.com, 11 Apr. 2025 The tool reflects potential viewing zones based on the Kp index—a measure of geomagnetic storm strength. Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 2025 The strength of this activity, known as geomagnetic storms, will impact how far south the northern lights can reach in the U.S. Geomagnetic storms are measured on a five-point scale. Addy Bink, The Hill, 5 Jan. 2025 The geomagnetic storm is expected to last through Jan. 1, though the storm's intensity will lessen on the second day, per NOAA. Ivana Saric, Axios, 31 Dec. 2024 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 20 Apr. 2025.

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