NOAA's El Niño Page

• El Niño is a disruption of the ocean-atmosphere system in the Tropical Pacific having important consequences for weather and climate around the globe.
• NOAA has primary responsibilities for providing forecasts to the Nation, and a leadership role in sponsoring El Niño observations and research.
• NOAA's Role
• El Niño status & discussion
• What is El Niño?
• What is La Niña?
• NEW! YouTube video:
  Developing an El Niño Observing System
• New Look at 1918/1919 Niño Suggests Link to Flu Pandemic