NOAA's El Niño Portal
Next ENSO Update: December 4
Forecasters have lowered the probability of El Nino developing to 58%, from 65%, this winter. If El Niño emerges this year, it is likely to be weak. For information on what an El Niño event might mean for your region, follow our ENSO blog and connect with us on social media.
- 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?
- YouTube video:
Developing an El Niño Observing System - New Look at 1918/1919 Niño Suggests Link to Flu Pandemic
- El Niño FAQs & definitions
- NOAA Visualization: 1997-2000 strong ENSO cycle