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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

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

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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