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 periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...