Thunderstorms, also known as electric storms or thunderstorms, are storms characterized by the presence of lightning and its acoustic effect on the earth's atmosphere, known as lightning. Relatively weak thunderstorms are sometimes called thunderstorms. Thunderstorms occur in the form of clouds known as cumulus clouds, usually accompanied by strong winds and often causing heavy rain and sometimes snow, sleet or hail, but some thunderstorms produce little or no rain. Thunderstorms can line up or