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

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

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

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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