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 decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.