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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

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

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

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

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

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...