Lightning

lightning n: A visible electrical discharge produced by a thunderstorm from one cloud to another or from cloud to ground. Lightning kills more people than do tornadoes.

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	Crawler lightning branches above skyscrapers, right. Media ID KU-998-012 Copyright © StormStock -- All rights reserved.
	Slow spreading lightning, right to left, spectacular Venus, Texas crawler lightning. Media ID SB-998-018 Copyright © StormStock -- All rights reserved.