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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...