| CPC - La Niña Coverage: Regularly updated discussion and coverage of the La Niña weather system including global and regional impacts and forecasting. |
| CPC El Niño/Southern Oscillation (ENSO): Coverage of the 1997/98 El Niño weather system from the Climate Prediction Centre, including forecasts, historical info, and the impact of the system on weather patterns. |
| El Niño and La Niña: Tracing the Dance of Ocean and Atmosphere: National Academies popular article describes the basic scientific research that led to our current understanding of these weather phenomenon. |
| El Niño/La Niña Watch: Archive of images and news releases about observations of the El Nino/La Nina phenomenon in the Pacific Ocean by the U.S./French TOPEX/Poseidon, Jason-1, and other NASA/JPL satellites and instruments. |
| The Potential Use and Misuse of El Niño Information: A workshop report from the Environmental and Social Impacts Group. Includes compilation of documents including an executive summary and a glossary. |
| What is an El Niño?: Illustrated explanation with realtime graphics and animations of data from the tropical Pacific Ocean. From NOAA. |
| What is La Niña?: Illustrated explanation with realtime graphics and animations of data. Also numerous links to reference material from NOAA. |
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