Dark blue cloudy sky

What is Clear?

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility. Clear sky. In meteorology, this term is also used when the cloud cover is less than 1/8 during the day or at the observation hour.

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Glossary

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

The branch of science dealing with the laws of motion of air or other gases.

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

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.