El Nino and La Nina from the National Academy of Sciences
World Meteorological Organization and more sites
El Niño: explanation, predicting and impact ...from the Norwegian Meteorological Institute
Federal Emergency Management Agency
Flooding, landslides and other El Niño Effects ... from U.S. Geological Survey
Effect on Southwest U.S. streamflow, lakes, landslides... from U.S. Geological Survey
Effect on California coastal waters ... from U.S. Geological Survey
Famine Early Warning System El Niño Tracking ... from US Agency For International Development
National Drought Mitigation Center
ENSO Signal ... on-line publication from National Center for Atmospheric Research
Pacific ENSO Applications Center ... from University of Hawaii
The Effects of El Niño on Marine life ... from Cambridge Scientific Abstracts
El Niño Primer ... from NASA
El Niño watch from space ... from NASA/JPL
JPL El Niño watch ... from NASA/JPL
El Niño visualizations from NASA and NOAA satellites ... from NASA/GSFC
El Niño sites from Center for Ocean Atmospheric-Prediction Studies ... at Florida State University
El Niño, La Niña and the Western U.S., Canada and Hawaii. ... from the Western Regional Climate Center