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In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclone does not originate. What is the reason?
(a) Sea surface temperatures are low
(b) Inter-Tropical Convergence Zone seldom occurs
(c) Coriolis force is too weak
(d) Absence of land in those regions



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The ITCZ, which is a region of low pressure and convergence, usually shifts toward the north in northern summer and toward the south in the southern summer. In these regions, the ITCZ typically stays at or north of the equator, and it does not shift southward over the South Atlantic or South Pacific. The presence of the ITCZ is crucial for providing synoptic vorticity and convergence, which are necessary for the development of cyclones.


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