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

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

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The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...