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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...