Dark blue cloudy sky

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.