Dark blue cloudy sky

What is Clear Air Turbulance?

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed in jet-stream areas, particularly in the upper troposphere to lower stratosphere. Open-air turbulence can also be seen near mountains and in closed low-pressure centers when there is wind shear.

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Glossary

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A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

The branch of science dealing with the laws of motion of air or other gases.

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.