Dark blue cloudy sky

What is Baroclinicity?

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

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Glossary

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

Snow that rises to 8 feet or higher.

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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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