NASA's Sentinel-6 Michael Freilich satellite has detected Kelvin waves in the Pacific Ocean.
These bring warmer-than-normal water to the coasts of Peru, Ecuador, and Colombia.
The images show Kelvin waves about 5 to 10 centimeters high and hundreds of kilometers wide at the ocean surface, moving from west to east along the equator toward the west coast of South America.
As they form at the equator, Kelvin waves bring warm water associated with higher sea levels from the western Pacific to the eastern Pacific.
EARLY SIGNS OF THE EL NIÑO PHENOMENON
The series of Kelvin . . .
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