What is the definition of Pressure Gradient Force?

The Pressure Gradient Force is fundamentally defined as the force that drives air from areas of high pressure to areas of low pressure. This difference in pressure creates a gradient, and as air moves to equalize this difference, it initiates wind. The strength of the Pressure Gradient Force is dependent on the magnitude of the pressure difference; a steeper gradient results in stronger winds.

This essential concept is a cornerstone of meteorology, as it helps explain various weather patterns and phenomena. Understanding the Pressure Gradient Force is crucial for interpreting wind behavior and weather systems, which are integral to forecasting and aviation operations. The other choices do not accurately capture the essence of how pressure gradients influence wind formation and atmospheric movements.