Home › Part 107 Practice Tests › Aviation Weather Questions › Question 40
Using the standard temperature lapse rate, if the surface temperature is 30 degrees C, what is the approximate standard temperature at 3,000 feet above the surface?
- A.About 30 degrees C
- B.About 36 degrees C
- C.About 24 degrees C
Correct answer
C. About 24 degrees C
Why
The standard lapse rate is a decrease of about 2 degrees C per 1,000 feet. Over 3,000 feet that is about a 6-degree drop, from 30 degrees C to roughly 24 degrees C.
Source: FAA-G-8082-22 Ch. 5 (Weather Effects) · ACS knowledge area: Aviation Weather Sources and Effects · From the Aviation Weather practice bank (WEA-040).