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

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

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.