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

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...