weather theoryFAA-published question bank (Private Pilot, 2008)
Where does wind shear occur?
A
Only at higher altitudes.
B
Only at lower altitudes.
C
At all altitudes, in all directions.✓ Correct Answer
Explanation
PHAK describes wind shear as a sudden, drastic change in wind speed and/or direction over a short distance, which can occur at all altitudes and in all directions, horizontally and vertically. It is most hazardous near the ground but is not limited to low or high altitudes.
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