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

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

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

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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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

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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....