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

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

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 bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...