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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

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

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...