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

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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