Tropical monsoon climates are most found in southern Asia and West Africa. A monsoon is a wind system that reverses its direction every six months. Monsoons usually flow from sea to land in the summer, and from land to sea in the winter.
Summer monsoons bring large amounts of rainfall to tropical monsoon regions. People living in these regions depend on the seasonal rains to bring water to their crops. India and Bangladesh are famous for their monsoon climate patterns.
Tropical Wet and Dry: Savanna
Tropical wet and dry climates are sometimes called “savanna” climates after the grassland ecosystem defined by wet and dry periods.
Tropical wet and dry climates sit just outside the ITCZ, near the Equator. They have three seasons. One season is cool and dry—when the warm, moist ITCZ is in the opposite hemisphere. Another season is hot and dry as the ITCZ approaches. The last season is hot and wet as the ITCZ arrives and the region experiences months as a tropical wet climate.
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