Dark blue cloudy sky

What is Ceiling?

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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Glossary

A cloud of irregular appearance, composed of irregular cloud fragments.

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

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

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

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

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...