Definitions
lightning n. a luminous, electric discharge in the atmosphere caused by the electric-charge separation produced in cumulonimbus, or thunderstorm, clouds.
-Webster's New Universal Unabridged Dictionary, 1994
Introduction
Lightning occurs with all thunderstorms. There are an average of 93 deaths and over 300 injuries each year caused by lightning. In addition, there are several hundred million dollars of property and forest damage that result each year from lightning.
Definitions and Introduction | What Causes Lightning? | Which Way does Lightning Travel? | Lightning Facts and Myths
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