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

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

An instrument for measuring atmospheric pressure.

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...