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

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A type of cloud consisting mostly of small particles such as ice particles.

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

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

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

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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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