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en.wikipedia.org/wiki/Atmospheric_pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the ... Atmospheric pressure is caused by the gravitational attraction of the planet on the atmospheric gases above the surface, and is a function of the ...

www.eo.ucar.edu/basics/wx_2.html

The type and intensity of weather is controlled by changes in air pressure. Air pressure is caused by the weight of the air molecules above. Even tiny air ...

nova.stanford.edu/projects/mod-x/id-pres.html

Nov 17, 1999 ... Key idea: Atmospheric pressure is caused by the weight of the atmosphere pushing down on itself and on the surface below it. Pressure is ...

littleshop.physics.colostate.edu/tenthings/WhatCausesPressure.pdf

causes pressure? Overview. In our everyday lives, we are exposed to many references to pressure: atmospheric conditions such as high pressure or low ...

www.srh.noaa.gov/jetstream/atmos/pressure.html

Air pressure can be increased (or decreased) one of two ways. First ... This change in pressure is caused by changes in air density, and air density is related to ...

www.reference.com/science/causes-air-pressure-8a0540f5a60a1ab5

Air pressure is caused by the weight of the air pressing down on the Earth, the ocean and the air below. Air pressure is also known as atmospheric pressure and ...

www.weatherquestions.com/What_causes_high_pressure.htm

Nov 27, 2010 ... High pressure areas are usually caused by air masses being cooled, either from below (for instance, the subtropical high pressure zones that ...

www.weatherquestions.com/What_causes_low_pressure.htm

Nov 27, 2010 ... Brief, simplified description of atmospheric low pressure areas.

itstillworks.com/causes-barometric-pressure-23467.html

Along with the air temperature and wind speed, the atmospheric pressure is a key measurement used by meteorologists for forecasting the weather. Because ...