weather theoryFAA-published question bank (Private Pilot, 2008)
What cloud types would indicate convective turbulence?
A
Cirrus clouds.
B
Nimbostratus clouds.
C
Towering cumulus clouds.✓ Correct Answer
Explanation
Towering cumulus clouds are built by strong rising air currents, so they indicate convective turbulence (PHAK Chapter 12). Cirrus are high ice-crystal clouds, and nimbostratus are stratiform rain clouds associated with stable air and little turbulence.
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