geomagnetic storm

noun

: magnetic storm

Examples of geomagnetic storm in a Sentence

Recent Examples on the Web

There’s no guarantee, but if a geomagnetic storm of any kind — even a weak-sounding G1 or G2 (the highest being G5) — is forecast by NOAA during the week of the lunar eclipse, northern lights could be visible farther south than is typical. —Jamie Carter, Forbes, 12 Mar. 2025

The sun also produces powerful solar flares and coronal mass ejections that trigger geomagnetic storms, which lead to northern lights here on Earth. —Janet Loehrke, USA TODAY, 6 Mar. 2025

While northern lights are notably more common in polar regions near the Arctic Circle, geomagnetic storm watches have been forecast several times for parts of the United States in the past year. —Skyler Caruso, People.com, 31 Jan. 2025

The recent geomagnetic storm predictions are rated G1, indicating minor storm conditions. —Daisy Dobrijevic, Space.com, 23 Jan. 2025

Word History

First Known Use

1941, in the meaning defined above

Rhymes for geomagnetic storm

• epileptiform
• hydatidiform
• brainstorm
• conform
• deform
• firestorm
• hailstorm
• inform
• landform
• lukewarm
• perform
• planform