Examining a map of isobars,you can tell the relative strength of surface winds by looking
A) at the largest numbers on the isobars.
B) at the smallest numbers on the isobars.
C) at the concentration of isobars in a given area.
D) for the greatest concentration of high-pressure systems.
E) for the greatest concentration of low-pressure systems.

Question

Quizplus · Accepted Answer

The concentration of isobars in a given area indicates the presence of a pressure gradient, which causes the wind to move from high pressure to low pressure. The closer the isobars are to each other, the stronger the pressure gradient force and thus the stronger the winds. Therefore, by examining the concentration of isobars, you can tell the relative strength of surface winds. The numbers on the isobars indicate the pressure values at specific locations, but they do not necessarily correspond to wind strength. The concentration of high or low-pressure systems alone does not give an accurate indication of wind strength.

Examining a Map of Isobars,you Can Tell the Relative Strength