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 process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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