Dark blue cloudy sky

What is Saturation?

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

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Glossary

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.