The Intertropical Convergence Zone, known by sailors as the doldrums or the calms because of its monotonous windless weather, is the area where the northeast and the southeast trade winds converge. It
The ITCZ is visible as a band of clouds encircling Earth near the Equator.
The "doldrums" is a popular nautical term that refers to the belt around the Earth near the equator where sailing ships sometimes get stuck on windless waters.
Hurricanes Celia and Darby in the eastern Pacific and the precursor to Hurricane Alex in the Intertropical Convergence Zone. (2010)
Trade winds
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The trade winds, or easterlies, are east-to-west prevailing winds that flow in Earth's equatorial region. The trade winds blow mainly from the northeast in the Northern Hemisphere and from the southea
A Spanish galleon
