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 situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.