Schematic diagrams of El Niño, Normal and La Niña conditions The left side of each diagram is the western Pacific Ocean, near Asia, and the right side is the eastern Pacific Ocean, near South America. Red/orange colors indicate warm ocean surface temperatures, yellow/greenish colors indicate cooler temperatures.. Schematic diagrams explain the warm pool and the thermocline during El Niño, La Niña and neutral conditions Historical El Niños and La Niñas El Niños and La Niñas from 1980 to present - seen in longitude-time plots of equatorial sea surface temperature and anomalies The NINO3.4 ENSO Index from 1950 to present YouTube videos:
El Nino/La Nina Visualizations is a curated educational resource page offering models and animations of El Niño and La Niña phenomena, including sea surface temperature and height anomalies, designed for teaching oceanography and atmospheric science within the On the Cutting Edge professional development program for geoscience educators.. If you have ever wondered why our weather can sometimes be so unpredictable and extreme, then you are in for an exciting journey into the world of El Niño and La Niña. These two weather phenomena, named after Spanish terms meaning "the boy" and "the girl" respectively, are natural climate patterns that occur in the Pacific Ocean.