The molecules in it slow down and the total volume decreases.
This describes what happens in a convection cycle.
Uhm, it gets colder of course....
Condensation
supercooled
Precipitation is usually the result of warm air meeting cold air currents.
Relative humidity increases
water vapor happens or gas flows into the air
When air molecules are cooled, they lose kinetic energy and move more slowly, which causes them to come closer together. As they come closer together, the air density increases, leading to a decrease in volume. Eventually, if cooled sufficiently, the air molecules may condense into a liquid or solid form depending on the temperature and pressure.
When air pressure is cooled, the air molecules move more slowly, causing them to come closer together. This increase in density leads to a decrease in air pressure. Additionally, cooling air can lead to the condensation of water vapor, which can lead to the formation of clouds and precipitation.
Its both air and water cooled.
The 1984 is air cooled, 1985 and on are water cooled.
The amount of water win the air will not change but the amount of water the air will hold rises as temp rises. Enter condensation.