Home › Part 107 Practice Tests › Aviation Weather Questions › Question 63
What happens when the air temperature cools to the dew point?
- A.The air becomes completely dry
- B.Wind speed automatically increases
- C.Water vapor condenses and clouds, fog, or dew can form
Correct answer
C. Water vapor condenses and clouds, fog, or dew can form
Why
The dew point is the temperature at which air becomes saturated at constant pressure. Cooling to that point forces excess vapor to condense into liquid droplets.
Source: FAA-G-8082-22 Ch. 3 · ACS knowledge area: Aviation Weather Sources and Effects · From the Aviation Weather practice bank (WEA-063).