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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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