weather theoryFAA-published question bank (Private Pilot, 2008)
What feature is associated with a temperature inversion?
A
A stable layer of air.✓ Correct Answer
B
An unstable layer of air.
C
Chinook winds on mountain slopes.
Explanation
In a temperature inversion the temperature increases with height, which makes the layer very stable; PHAK notes inversions trap haze and smoke and give poor visibility beneath them. An inversion is not an unstable layer, and chinook winds are a separate downslope phenomenon.
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