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4 days ago · A tornado is a violently rotating column of air, in contact with the ground, either pendant from a cumuliform cloud or underneath a cumuliform cloud, and often (but not always) visible as a funnel cloud. [20] For a vortex to be classified as a tornado, it must be in contact with both the ground and the cloud base.
Jun 28, 2024 · Learn about tornadoes, violently rotating columns of air that can generate the strongest winds on Earth. Find out how they form, where they occur, how they are classified, and what damage they can cause.
- A tornado is a relatively small-diameter column of violently rotating air developed within a convective cloud that is in contact with the ground, u...
- The lifetime of a tornado is directly related to its intensity. The strong, intense tornadoes tend to last longer. Most tornadoes are weak, lasting...
- Tornadoes are most common on continents in the midlatitudes (between 20 and 60 degrees north and south), where they are frequently associated with...
- In absolute numbers, the United States has the most tornadoes by far: more than 1,000 per year have been reported there every year since 1990. It a...
- Tornadoes can generate the strongest winds known on Earth: wind speeds in the range of 500 kilometres (300 miles) per hour have been measured in ex...
6 hours ago · CNN —. Five people were killed and nearly 100 injured when a tornado ripped through a town in eastern China, according to the state-run Xinhua news agency. Dramatic video posted on social media ...
Jun 24, 2024 · a map showing the average number of days per year with a tornado registering EF1 strength or greater within 25 miles of each point shows Tornado Alley’s shift eastward. The period covered in ...
Jun 28, 2024 · (Right) Anatomy of a tornado: Air feeds into the base of a tornado and meets the tornado's central downflow. These flows mix and spiral upward around the central axis. The tornado's diameter can be much greater than that of the visible condensation funnel.
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Jun 28, 2024 · Tornado - Wind, Vortex, Supercell: Tornadoes may occur wherever conditions favour the development of strong thunderstorms. Essential conditions for such storms are the presence of cool, dry air at middle levels in the troposphere, overlying a layer of moist, conditionally unstable air near the surface of the Earth.
Jun 10, 2024 · A tornado warning is an urgent alert, and if you receive one, you should immediately take shelter. A warning is usually focused on a smaller area, such as a city or small county, than a...
