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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

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...