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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.
2 days ago · tornado, a small-diameter column of violently rotating air developed within a convective cloud and in contact with the ground. Tornadoes occur most often in association with thunderstorms during the spring and summer in the mid-latitudes of both the Northern and Southern Hemispheres.
Aug 29, 2019 · Tornadoes are some of the most destructive forces of nature. Learn how tornadoes form, how they are rated, and the country where the most intense tornadoes occur. Subscribe: http://bit.ly ...
Aug 28, 2019 · What is a tornado? A tornado is a violently rotating column of air that extends from a thunderstorm to the ground. It's often portended by a dark, greenish sky. Black storm clouds gather.
What is a tornado? A tornado is a narrow, violently rotating column of air that extends from a thunderstorm to the ground. Because wind is invisible, it is hard to see a tornado unless it forms a condensation funnel made up of water droplets, dust and debris. Tornadoes can be among the most violent phenomena of all atmospheric storms we experience.
4 days ago · A tornado forms from a large thunderstorm. Inside thunderclouds, warm, humid air rises, while cool air falls--along with rain or hail. These conditions can cause spinning air currents inside the cloud.
May 21, 2019 · A tornado, or twister, is a violently rotating column of air that extends between the Earth's surface and a cloud, usually a cumulonimbus cloud.
NASA Statement on Tornado at Michoud Assembly Facility.
Learn how tornadoes form, why they are so destructive, and how to stay safe from them.
Tornadoes are violently spinning funnels of air that can cause massive destruction. They are categorized according to the Enhanced Fujita Scale. Grades. 5 - 8.
