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

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

A large body of air having similar horizontal temperature and moisture characteristics.

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...