how a tornado evolves
One of the most spectacular meteorological phenomena is the tornadoes, the columns of air that turn violently while they come in contact with the ground and hang from a cumuliform cloud. Its diameter can vary between tens and hundreds of meters, often adopting the shape of a funnel. They generally travel at speeds between 15 and 50 kilometers per hour, traveling a few kilometers in just minutes, according to the State Meteorological Agency (AEMET).
The majority of tornadoes occur in the United States, which also suffers the most violent. Its origin is due to cold air currents and hot air currents that take opposite directions: the second rises by convection, while the first descends, creating a vertical rotation that can have disastrous consequences. These conditions usually occur in the so-called tornado alley, located between the states of Texas, Oklahoma, Kansas, Nebraska, South Dakota, Iowa, Kentucky, Missouri, parts of Tennessee, Alabama, Louisiana and Mississippi.
Jason Weingart is an Ohio photographer who since childhood has been interested in some of the most extreme weather phenomena. Graduated from the Central University of Florida, his fascination with tornadoes dates back to a class in which, while still a child, his teacher taught him what a vortex of wind was like in real life. Weingart is currently dedicated to immortalizing some iconic scenes, such as storms, volcanic eruptions, the night sky and the tornadoes themselves, as he teaches in his portfolio. Since 2013, he has photographed some thirty tornadoes throughout the United States. One of his most spectacular images shows how a tornado changes in real life, a photograph that he called Evolution.
The image is a composition of eight photographs that Weingart took on May 24, 2016. His work allowed to portray the evolution over time of a tornado occurred north of Minneola (Kansas, United States). The enormous storm in rotation, also known as supercell or supercell, which originated the vortex immortalized by Weingart, led to another twelve tornadoes, according to the photographer. Between two and three phenomena they came to earth at the same time; the tornado of Ford County reached a force of 3 on the Fujita-Pearson Scale, whose maximum is of intensity 5. Some videos shared on YouTube also reflected the same phenomenon at that time.
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