What indicates a steep pressure gradient?

A steep pressure gradient is indicated when isobars are close together. In meteorology, isobars are lines on a map that connect points of equal atmospheric pressure. When these lines are closely spaced, it shows that there is a rapid change in pressure over a small distance. This steep pressure gradient leads to stronger winds, as the air moves from areas of high pressure to areas of low pressure more quickly.

In contrast, when isobars are far apart, it shows a gentle change in pressure, which typically corresponds to lighter winds. Stability in the air, indicated by options related to stability or slow wind speeds, does not directly correlate with the steepness of pressure gradients. Instead, a steep gradient is directly associated with the close proximity of the isobars on a weather map. Therefore, the correct answer reflects the physical relationship between the spacing of isobars and the intensity of wind resulting from pressure differences in the atmosphere.