FAA Questions/Aircraft Dispatcher/Question #20
weather theoryFAA-published sample question (ADX, Aug 2021)

Where are jetstreams normally located?

A

In a break in the tropopause where intensified temperature gradients are located.✓ Correct Answer

B

In areas of strong low pressure systems in the stratosphere.

C

In a single continuous band, encircling the Earth, where there is a break between the equatorial and polar tropopause.

Explanation

The Aviation Weather Handbook explains that jet streams are found in breaks in the tropopause, where strong horizontal temperature gradients intensify the winds. They are not in the stratosphere's low-pressure systems, and they are segmented rather than a single continuous band.

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