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Global Wind

Global wind patterns: Winds are named by the direction from which they blow. The globe is encircled by six major wind belts, three in each hemisphere.

Global Convection Currents

Wind is the horizontal movement of air. All wind is caused by the uneven heating of Earth's surface, which sets convection currents in motion.

The Coriolanus Effect

The Coriolis effect is most apparent in the path of an object moving longitudinally.

Global Wind Belts

The global wind pattern is also known as the "general circulation" and the surface winds of each hemisphere are divided into three wind belts: Polar Easterlies: From 60-90 degrees latitude.

Doldrums

An equatorial region of the Atlantic Ocean with calms, sudden storms, and light unpredictable winds.

Horse Latitudes

A belt of calm air and sea occurring in both the northern and southern hemispheres between the trade winds and the westerlies.

Trade Winds

The trade winds are the prevailing pattern of easterly surface winds found in the tropics, within the lower portion of the Earth's atmosphere, in the lower section of the troposphere near the Earth's equator.

Prevailing Westerlies

The westerlies, anti-trades, or prevailing westerlies, are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude.

Polar Easterlies

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 low-pressure areas within the Westerlies at high latitudes.

Jet Streams

Jet streams are fast flowing, relatively narrow air currents found in the atmosphere around 10 kilometers above the surface of the Earth.

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