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Polar Easterlies

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The polar easterlies (also Polar Hadley cells) are the dry, cold prevailing winds that blow from the high-pressure areas of the polar highs at the north and south poles towards the low-pressure areas of the polar fronts between 60 and 90 degrees north and south. Cold air subsides at the pole creating the high pressure, forcing a southerly (northward in the southern hemisphere) outflow of air towards the equator; that outflow is then deflected eastward by the Coriolis effect. Unlike the westerlies in the middle latitudes, the polar easterlies are often weak and irregular. These prevailing winds blow from the east to the west.

The Hadley cells are also called trade winds and run easterly, named after George Hadley who first described them in 1753.

See alsoEdit

hi:ध्रुवीय पवनेंno:Polar østavind

nn:Polar austavind

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