This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Enso normal. File ENSO normal svg it's under PDUSGovDOCNOAA 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