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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

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

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...