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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Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
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The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
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A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.