Describe what a "high pressure system" indicates for weather conditions.

A high pressure system is characterized by descending air, which compresses and warms as it descends. This process inhibits cloud formation as the air becomes drier, leading to stable atmospheric conditions. Consequently, high pressure systems are typically associated with generally clear skies and fair weather.

In the context of weather patterns, this stability allows for an absence of precipitation, making it an indicator of pleasant weather conditions. In contrast to low pressure systems, which often lead to cloudiness and precipitation due to rising air and moisture, high pressure systems facilitate more favorable and stable conditions. This pattern can influence a range of weather phenomena, such as temperature increases during the day due to direct sunlight, along with cooler nights where heat is radiated away, further reflecting the characteristics of clear skies and fair weather.