Thunderstorm
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A thunderstorm, also known as an electrical storm or a lightning storm, is a storm characterized by the presence of lightning and thunder. Relatively weak thunderstorms are sometimes called thundersho
Lightning from a thunderstorm near Pritzerbe, Germany
Stages of a thunderstorm's life
Thunderstorms often develop from cumulus congestus clouds.
Anvil-shaped thundercloud in the mature stage
Squall line
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A squall line, or quasi-linear convective system, is a line of thunderstorms, often forming along or ahead of a cold front. In the early 20th century, the term was used as a synonym for cold front. Li
Thunderstorm
…or hail, but some thunderstorms can produce little or no precipitation at all. Thunderstorms may line up in a series or become a rainband, known as a squall line. Strong or severe thunderstorms include some of the most dangerous weather phenomena, including large hail, strong winds, and tornadoes. Some of the…
Shelf cloud on the leading edge of a derecho as photographed in Minnesota