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What is Relative Humidity?

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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Glossary

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

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

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...