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

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 condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

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

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

A type of cloud consisting mostly of small particles such as ice particles.