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What is Air Mass?

A large body of air having similar horizontal temperature and moisture characteristics.

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Glossary

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...