"magnetic storm." YourDictionary, n.d. Web. 18 January 2019. <https://www.yourdictionary.com/magnetic-storm>.
magnetic storm. (n.d.). Retrieved January 18th, 2019, from https://www.yourdictionary.com/magnetic-storm
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.