This sign warns of danger due to the proximity of an area where...

A)aircraft frequently fly at low altitude over the road.
B)strong wind normally blows in any direction.
C)strong wind frequently blows in a transverse direction.Correct
The sign indicates danger due to the proximity of an area where strong wind frequently blows in a transverse direction.
The sign indicating danger due to the proximity of an area where aircraft fly at low altitude is the following: