geomagnetic storm

noun

Examples of geomagnetic storm in a Sentence

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This, paired with a moderate to strong geomagnetic storm, could make the lights viewable even further south than usual, extending as far as Illinois and Oregon. Mary Walrath-Holdridge, USA Today, 18 Mar. 2026 On Wednesday night, Iowa sits within reach of the geomagnetic storm, giving much of the state a real chance to see the northern lights. Cooper Worth, Des Moines Register, 18 Mar. 2026 The National Oceanic and Atmospheric Administration's (NOAA) Space Weather Prediction Center (SWPC) has issued a G2 geomagnetic storm warning for March 19 due to possible impact from a coronal mass ejection (CME). Daisy Dobrijevic, Space.com, 17 Mar. 2026 That includes research on earthquakes, flooding, drought, geomagnetic storms in space, wildfires, wind, storms and more. Elise Schmelzer, Denver Post, 16 Mar. 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 25 Mar. 2026.

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