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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.

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...