Hurricanes are among the most powerful weather systems on the planet, capable of reshaping coastlines and disrupting lives with terrifying speed. This force, caused by the Earth's rotation, is what imparts the spin necessary for a tropical depression to organize its structure and intensify into a hurricane.
Why South America Is Skipped by Hurricanes: The Role of the ITCZ
5°C (80°F) to sustain themselves. Hurricanes are heat engines, drawing their energy from warm sea surface temperatures, generally requiring waters above 26.
As storms move westward from Africa or the Caribbean, they eventually encounter the coastline of northern South America. Similarly, hurricanes require a relatively calm vertical column of air to maintain their structure.
Why South America Is Skipped by Hurricanes: The Role of the ITCZ
The Role of the ITCZ To understand why hurricanes bypass South America, one must first look to the sky, specifically to a band of low pressure known as the Intertropical Convergence Zone, or ITCZ. The presence of strong upper-level winds over the eastern Pacific and South America disrupts this symmetry, causing the storm to elongate and dissipate.
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