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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...