1. Location A is within the eye of the tropical cyclone. B, C and D are locations that are more and more distant from the eye. The air pressure at the different locations are: Location A B C Air pressure* 930 960 980 in millibars (mb) *Air pressure refers to the weight of air over a certain area. Compare the air pressures at A, B, C and D. What do you notice? 18 D 990