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

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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

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

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.

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

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