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A lightning flash during a thunderstorm

Lightning is a sudden electrostatic discharge during an electrical storm between electrically charged regions of a cloud (called intra-cloud lightning or IC), between that cloud and another cloud (CC lightning), or between a cloud and the ground (CG lightning). The charged regions in the atmosphere temporarily equalize themselves through this discharge referred to as a strike if it hits an object on the ground. Although lightning is always accompanied by the sound of thunder, distant lightning may be seen but be too far away for the thunder to be heard. A lightning strike forms a visible plasma.

Lightning sections
Intro  General considerations  Frequency of lightning   Establishing conditions necessary for lightning    Lightning flashes and strikes    Types    Effects    Volcanic    Extraterrestrial lightning    Human-related phenomena    Scientific study    In culture   See also  References  Further reading  [[Lightning?section=External</a>_links|External</a> links]]  

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