A thunderstorm, also known as an electrical storm or a lightning storm, is a storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere, known as thunder. Relatively weak thunderstorms are sometimes called thundershowers.
No injuries reported in US outbreak of small tornadoes; more storms possible
Storms in parts of the southern Plains produced about two dozen small tornadoes but no reports of deaths or injuries, according to the National Weather Service, and more severe weather is possible Friday
Apr. 20, 2023, 10:31 PM ET (AP)
'The damage is unbelievable:' Tornadoes kill 3 in Oklahoma
Crews scrambled to restore power to thousands of residents after tornadoes plowed through Oklahoma during another deadly spring storm in the U.S., killing at least three people and damaging dozens of homes
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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. There the moisture contained in the updraft condenses to form towering cumulonimbus clouds and, eventually, precipitation. Columns of cooled air then sink earthward, striking the ground with strong downdrafts and horizontal winds. At the same time, electrical charges accumulate on cloud particles (water droplets and ice). Lightning discharges occur when the accumulated electric charge becomes sufficiently large. Lightning heats the air it passes through so intensely and quickly that shock waves are produced; these shock waves are heard as claps and rolls of thunder. On occasion, severe thunderstorms are accompanied by swirling vortices of air that become concentrated and powerful enough to form tornadoes
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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 its acoustic effect on the Earth's atmosphere, known as thunder. Relatively weak thunderstorms are sometimes called thundershowers.
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Last Updated: May 12, 2023 • Article History
Recent News
May 12, 2023, 7:58 AM ET (AP)
No injuries reported in US outbreak of small tornadoes; more storms possible
Storms in parts of the southern Plains produced about two dozen small tornadoes but no reports of deaths or injuries, according to the National Weather Service, and more severe weather is possible Friday
Apr. 20, 2023, 10:31 PM ET (AP)
'The damage is unbelievable:' Tornadoes kill 3 in Oklahoma
Crews scrambled to restore power to thousands of residents after tornadoes plowed through Oklahoma during another deadly spring storm in the U.S., killing at least three people and damaging dozens of homes
Summary
Read a brief summary of this topic
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. There the moisture contained in the updraft condenses to form towering cumulonimbus clouds and, eventually, precipitation. Columns of cooled air then sink earthward, striking the ground with strong downdrafts and horizontal winds. At the same time, electrical charges accumulate on cloud particles (water droplets and ice). Lightning discharges occur when the accumulated electric charge becomes sufficiently large. Lightning heats the air it passes through so intensely and quickly that shock waves are produced; these shock waves are heard as claps and rolls of thunder. On occasion, severe thunderstorms are accompanied by swirling vortices of air that become concentrated and powerful enough to form tornadoes