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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.