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  2. Prevailing winds - Wikipedia

    en.wikipedia.org/wiki/Prevailing_winds

    Prevailing winds are strongly influenced by Earth's overall atmospheric circulation, in addition to smaller-scale and shorter-lived weather phenomena. In meteorology, prevailing wind in a region of the Earth's surface is a surface wind that blows predominantly from a particular direction. The dominant winds are the trends in direction of wind ...

  3. Westerlies - Wikipedia

    en.wikipedia.org/wiki/Westerlies

    The westerlies, anti-trades, [2] or prevailing westerlies, are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude. They originate from the high-pressure areas in the horse latitudes (about 30 degrees) and trend towards the poles and steer extratropical cyclones in this general manner. [ 3 ]

  4. Polar easterlies - Wikipedia

    en.wikipedia.org/wiki/Polar_easterlies

    Unlike the westerlies in the middle latitudes and trade winds in tropics, the polar easterlies are often weak and irregular. Note, winds are named based on where they came from. The polar easterlies are one of the five primary wind zones, known as wind belts, that make up our atmosphere's circulatory system.

  5. Atmospheric circulation - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_circulation

    The wind belts girdling the planet are organised into three cells in each hemisphere—the Hadley cell, the Ferrel cell, and the polar cell. Those cells exist in both the northern and southern hemispheres. The vast bulk of the atmospheric motion occurs in the Hadley cell.

  6. Trade winds - Wikipedia

    en.wikipedia.org/wiki/Trade_winds

    The trade winds or easterlies are permanent east-to-west prevailing winds that flow in the Earth's equatorial region. The trade winds blow mainly from the northeast in the Northern Hemisphere and from the southeast in the Southern Hemisphere , strengthening during the winter and when the Arctic oscillation is in its warm phase.

  7. Wind - Wikipedia

    en.wikipedia.org/wiki/Wind

    Wind is the natural movement of air or other gases relative to a planet's surface. Winds occur on a range of scales, from thunderstorm flows lasting tens of minutes, to local breezes generated by heating of land surfaces and lasting a few hours, to global winds resulting from the difference in absorption of solar energy between the climate ...

  8. Ocean gyre - Wikipedia

    en.wikipedia.org/wiki/Ocean_gyre

    The largest ocean gyres are wind-driven, meaning that their locations and dynamics are controlled by the prevailing global wind patterns: easterlies at the tropics and westerlies at the midlatitudes. These wind patterns result in a wind stress curl that drives Ekman pumping in the subtropics (resulting in downwelling) and Ekman suction in ...

  9. Ocean current - Wikipedia

    en.wikipedia.org/wiki/Ocean_current

    Surface oceanic currents are driven by wind currents, the large scale prevailing winds drive major persistent ocean currents, and seasonal or occasional winds drive currents of similar persistence to the winds that drive them, [6] and the Coriolis effect plays a major role in their development. [7]