Nov 192009

The below image is a GOES-12 infrared imagery showing the location of the intertropical Convergence zone (ITCZ – red line).

In this area, the air from the subtropical regions of both hemispheres converges, leading to strong upward motion up to 15 km and divergence uloft (part of Hadley circulation). This zone is often associated with well developped cumulonimbus clouds with great vertical extension and thunderstorms. Many of the world’s rainforest are associated with these climatological low pressure system.

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