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What is Dew Point?

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading to the formation of dew.

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Glossary

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...