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What is Air Mass?

A large body of air having similar horizontal temperature and moisture characteristics.

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Glossary

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

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

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

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...