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 term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

Snow that rises to 8 feet or higher.

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

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

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A large body of air having similar horizontal temperature and moisture characteristics.

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...