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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

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

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...