Q210
Which is a common first indicator of an approaching thunderstorm?
A.
Too hot
B.
Heavy wind
C.
A buildup of dark clouds
AnswerD.
Lightning
Answer: Option C
Solution
Answer: Option C
Solution:
They usually appear as swift-moving black clouds, often approaching from the northwest southwest, south or west at speeds of 25-35 knots. You can determine the distance of an approaching thunderstorm by counting the number of seconds between the lightning flash and the thunder clap, and dividing by five.