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What is Convection?

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It is a key process in cloud formation and weather dynamics.

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Glossary

An instrument for measuring atmospheric 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 thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

The branch of science dealing with the laws of motion of air or other gases.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....