FAA Aircraft Dispatcher Practice Exam

Question: 1 / 400

What defines a temperature inversion?

The temperature decreases with altitude

The temperature remains constant with altitude

The temperature increases with altitude

A temperature inversion is characterized by an increase in temperature with altitude, which is the defining feature of this phenomenon. In a typical atmosphere without inversion conditions, temperature generally decreases as altitude increases due to the thermal structure of the atmosphere. However, during a temperature inversion, a layer of warmer air traps cooler air at lower levels. This can lead to various weather phenomena, including reduced visibility and trapping of pollutants close to the ground.

Understanding this concept is vital for pilots and dispatchers, as it can significantly affect flight operations, including turbulence, cloud formation, and the stability of the atmosphere. Additionally, the inversion layer can influence winds and thus the overall weather conditions experienced during flight, highlighting the importance of recognizing when and where these conditions occur.

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The temperature fluctuates with altitude

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