What is a high-pressure system? The amount of force exerted by the weight of the air above a given point.

The amount of force exerted by the weight of the air above a given point.

A system where air is rising and cooling, leading to cloudy and stormy weather.
A system where air is rising and cooling, leading to cloudy and stormy weather.

A system where air is sinking and spreading out, resulting in fair weather.
A system where air is sinking and spreading out, resulting in fair weather.

The measurement of the air's moisture content.

The measurement of the air's moisture content is not directly related to a high-pressure system. It is typically measured using relative humidity, dew point, or specific humidity.