5°C (80°F) to sustain themselves. This atmospheric river of wind sits near the equator, acting as a breeding ground for the thunderstorms that can eventually organize into tropical systems.
Why Hurricanes Avoid South America Completely: The Meteorological Barriers
The Barrier of Cool Currents While the atmosphere sets the stage, the ocean provides the final curtain. This is not an illusion born of infrequent observation; it is a consistent meteorological reality.
Furthermore, the Humboldt Current, a cold upwelling from the depths of the Southern Ocean, chills the waters off the northern coasts of Peru and Ecuador. The system would likely remain a disorganized cluster of thunderstorms, unable to achieve the symmetry and power characteristic of a hurricane.
Why Hurricanes Avoid South America Completely
However, the ITCZ generally hugs the northern edge of the Amazon Basin, placing it north of the equator for most of the year. As storms move westward from Africa or the Caribbean, they eventually encounter the coastline of northern South America.
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