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

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

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

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A very cold high pressure that originates over the Arctic Ocean.

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

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