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What is Absolute Humidity?

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air. It indicates the actual amount of water vapor present, without considering temperature or pressure variations.

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Glossary

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

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

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

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A very cold high pressure that originates over the Arctic Ocean.

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.