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5 days ago · thunderstorm, a violent short-lived weather disturbance that is almost always associated with lightning, thunder, dense clouds, heavy rain or hail, and strong gusty winds. Thunderstorms arise when layers of warm, moist air rise in a large, swift updraft to cooler regions of the atmosphere.
NOAA. Most thunderstorms form in three stages: the developing stage, when storm clouds form; the mature stage, when the storm is fully formed; and the dissipating stage, when the storm weakens and breaks apart. The Developing Stage. When warm, moist air moves upward in an updraft, puffy cumulus clouds may form in the atmosphere.
Aug 1, 2023 · A thunderstorm needs three things to form – moisture, unstable air and a lift. The summer heat means more moisture in the air, prime time for thunderstorms in most parts of the U.S., though...
Mar 21, 2024 · 简体中文. Prepare for Thunder & Lightning. Stay Safe During. Stay Safe After. Related Content. If you are a disaster survivor, please visit FEMA.gov for up-to-date information on current disaster declarations.
Lightning is one of the oldest observed natural phenomena on earth. It can be seen in volcanic eruptions, extremely intense forest fires, surface nuclear detonations, heavy snowstorms, in large hurricanes, and obviously, thunderstorms. . What we do: Read more about NSSL's lightning research here.
Thunderstorm Types. Often called “popcorn” convection, single-cell thunderstorms are small, brief, weak storms that grow and die within an hour or so. They are typically driven by heating on a summer afternoon. Single-cell storms may produce brief heavy rain and lightning.
Apr 30, 2024 · Lightning happens. How does the lightning "know" where to discharge—or strike? The electric field "looks" for a doorknob. Sort of. It looks for the closest and easiest path to release its charge. Often lightning occurs between clouds or inside a cloud.
