File:Enso normal.png

Summary

it's under PD-USGov-DOC-NOAA. EN WP says:

ENSO normal state.

• Normal equatorial winds warm as they flow westward across the Pacific.
• Cold water is pulled up along west coast of South America.
• Warming water is pushed toward west side of Pacific.
• Sea surface is warm in the west.
• Hot air rises in western Pacific, travels eastward and cool air descends on South America.

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Derived from NOAA / PMEL / TAO diagrams. http://www.pmel.noaa.gov/tao/proj_over/diagrams/index.html

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