FAA Questions/Aircraft Dispatcher/Question #21
weather theoryFAA-published sample question (ADX, Aug 2021)

Which feature is associated with the tropopause?

A

Absence of wind and turbulence.

B

Abrupt change of temperature lapse rate.✓ Correct Answer

C

Absolute upper limit of cloud formation.

Explanation

The tropopause is the boundary where the temperature lapse rate changes abruptly, from decreasing with height in the troposphere to nearly constant above it. Winds and turbulence are often strong near it, and thunderstorm tops can penetrate it.

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