Polar Cell are part of a three cell movement involving
Hadley CellThe Hadley cell is a circulation pattern that dominates the tropical atmosphere, with rising motion near the equator, poleward flow 10-15 kilometers above the surface, descending motion in the subtropics, and equatorward flow near the surface...
s and Ferrel Cells which show
atmospheric circulationAtmospheric circulation is the large-scale movement of air, and the means by which thermal energy is distributed on the surface of the Earth....
and Surface winds.
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Polar Cell are part of a three cell movement involving
Hadley CellThe Hadley cell is a circulation pattern that dominates the tropical atmosphere, with rising motion near the equator, poleward flow 10-15 kilometers above the surface, descending motion in the subtropics, and equatorward flow near the surface...
s and Ferrel Cells which show
atmospheric circulationAtmospheric circulation is the large-scale movement of air, and the means by which thermal energy is distributed on the surface of the Earth....
and Surface winds.
Cold dense air descends over the Poles which creates high pressure, this cold air moves along the surface to lower latitudes. At around 60 degrees north and south, this air has been warmed up and rises upwards, creating a zone of low pressure.
See also Polar vortexA polar vortex is a persistent, large-scale cyclone located near one or both of a planet's geographical poles. On Earth, the polar vortices are located in the middle and upper troposphere and the stratosphere...