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When lightning strikes

Mass lightning bolts light up night skies by the Daggett airport from monsoon storms passing over the high deserts early Wednesday, north of Barstow, California July 1, 2015. Picture taken using long exposure. (REUTERS/Gene Blevins)

When lightning strikes

In an electrical storm, the storm clouds are charged like giant capacitors in the sky. The upper portion of the cloud is positive and the lower portion is negative. How the cloud acquires this charge is still not agreed upon within the scientific community, but the following description provides one plausible explanation.

See some dramatic images of these
occurrences. (Reuters)

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