thumb|right|200px|A typical thunderstorm associated with a heavy or severe thunderstorm over Enschede, The Netherlands.]]A thunderstorm, also known as an electrical storm or a lightning storm, is a form of weather characterized by the presence of lightning and its effect: thunder. It is usually accompanied by heavy rain and sometimes snow, hail, or no precipitation at all. Thunderstorms may line up in a series, and strong or severe thunderstorms may rotate. Life cycle Airflow diagrams showing three stages of a thunderstorm life cycle.Warm air has a lower density than cool air, so warm air rises within cooler air, similar to hot air balloons. Clouds form as warm air carrying moisture rises within cooler air. As the w

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