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 measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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