FAA Aircraft Dispatcher Practice Exam

Question: 1 / 400

Which of the following discontinuities is NOT typically associated with a warm front?

Temperature decrease

The correct choice indicates that a temperature decrease is not typically associated with a warm front. In meteorology, a warm front is characterized by the movement of warm air over colder air. As this warm air ascends, it leads to cloud formation and precipitation, but the temperature, as a result of the warm air mass moving in, generally increases rather than decreases.

In contrast, when a warm front passes, you would expect to see warm air moving in (indicating a temperature increase), a drop in atmospheric pressure as the warm air replaces the colder, denser air, and a corresponding change in dewpoint, usually indicating increased humidity as the warm air can hold more moisture than the colder air it replaces. Therefore, a temperature decrease is not characteristic of warm fronts; rather, temperatures rise as warm air pushes forward.

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Warm air

Pressure drop

Dewpoint change

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