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In meteorology, clear-air turbulence (CAT) is the turbulent movement of air masses in the absence of any visual clues, such as clouds, and is caused when bodies of air moving at widely different speeds meet.
Clear-air turbulence experienced during airplane flight, as well as poor astronomical seeing (the blurring of images seen through the atmosphere). Most of the terrestrial atmospheric circulation. The oceanic and atmospheric mixed layers and intense oceanic currents.
Convective turbulence is generally associated with storms and is caused by warm air rising. Clear air turbulence can be caused by a number of factors and is generally harder to predict than the ...
Air travel and turbulence have always gone hand in hand with many flights, especially long haul, experiencing spells of bumpiness. The severe episode on board a Singapore Airlines plane in which ...
The most common type, called clear air turbulence (CAT), is defined by the Federal Aviation Administration as “sudden severe turbulence occurring in cloudless regions that causes violent ...
Air pollution is the introduction of airborne chemicals, particulate matter or biological materials that cause harm or discomfort to organisms. [58] The population growth , industrialization and motorization of human societies have significantly increased the amount of airborne pollutants in the Earth's atmosphere, causing noticeable problems ...
A 2023 study published in the journal Geophysical Research Letters found that severe clear-air turbulence increased by more than 50% over the North Atlantic Ocean from 1979 to 2020.
The Singapore Airlines flight of May 21 was not hit by clear air turbulence, but rapidly developing thunderstorms. According to the NTSB, between 2009 and 2018, the flight crew had no warning in ...