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

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

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

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A cloud of irregular appearance, composed of irregular cloud fragments.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...