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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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