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 type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...