magnetic storm

noun

1. a temporary disturbance of the earth's magnetic field, induced by radiation and streams of charged particles from the sun.

magnetic storm

noun

1. a sudden severe disturbance of the earth's magnetic field, caused by emission of charged particles from the sun

magnetic storm

1. A disturbance or fluctuation in the Earth's outer magnetosphere, usually caused by streams of charged particles (plasma) given off by solar flares. The entry of large amounts of plasma into the upper atmosphere results in intense auroral displays and other magnetic phenomena in the polar regions of the Earth.
2. See also aurora

magnetic storm

1. The effect on the ionosphere of large bursts of charged particles ( see electrical charge ) from the sun .

Notes

During a magnetic storm, radio reception can become very difficult.

Word History and Origins

Origin of magnetic storm¹

First recorded in 1855–60

Example Sentences

In most cases when such a "magnetic storm" occurs, there is an unusually large or active spot on the Sun.

From Project Gutenberg

Thus in February 1892, when a very large spot was on the Sun, a violent magnetic storm broke out.

From Project Gutenberg

There was a magnetic storm in the photosphere of a sun which was not supposed to have such things.

From Project Gutenberg

At first a favorite theory was, that communication had been interrupted by a magnetic storm.

From Project Gutenberg

This magnetic storm affected every telegraphic station in the kingdom.

From Project Gutenberg