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 large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

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

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