Dark blue cloudy sky

What is Lightning?

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or between a cloud and the ground.

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Glossary

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A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...