What is the definition of a high-pressure system?

A high-pressure system is defined as an area where the atmospheric pressure is greater than that of the surrounding areas. This is significant because high-pressure systems are generally associated with fair and stable weather conditions. The descending air in these systems inhibits cloud formation and precipitation, leading to clearer skies and more consistent weather patterns.

In contrast to high-pressure systems, low-pressure systems (the opposite of high pressure) are associated with greater atmospheric turbulence, cloud formation, and often precipitation. The concept of significant pressure differences is crucial in meteorology, as it drives wind patterns and affects overall weather conditions. Understanding high-pressure systems is essential for predicting weather changes and recognizing their impacts on flying conditions and safety.