Dark blue cloudy sky

What is Low Pressure System?

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. Also known as a cyclone. It is the opposite of high pressure (anticyclone).

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Glossary

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.