Dark blue cloudy sky

What is Weather System?

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can be comprised of low pressure, which is associated with inclement weather, and high pressure, which typically brings more stable, pleasant weather.

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Glossary

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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