Dark blue cloudy sky

What is Atmosphere?

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

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Glossary

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

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

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...