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

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...