Katolog > Science > Earth Sciences > Meteorology > Weather Phenomena > El Niño and La Niña

Websites about the climate phenomena El Niño and La Niña, including ENSO in general and related topics. El Niño and La Niña are disruptions of the ocean-atmosphere system in the tropical Pacific having important consequences for weather around the globe. La Niña is characterized by unusually cold ocean temperatures in the Equatorial Pacific, compared to El Niño, which is characterized by unusually warm ocean temperatures in the Equatorial Pacific. ENSO is the generic term for these phenomena. (source: NOAA - text slightly adapted)

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Forecasts (7)

Links:

CPC - La Niña Coverage Regularly updated discussion and coverage of the La Niña weather system including global and regional impacts and forecasting. www.cpc.ncep.noaa.gov/products/analysis_monitoring/lanina

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. www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff

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. www.esig.ucar.edu/elnino/table.html

What is La Niña? Illustrated explanation with realtime graphics and animations of data. Also numerous links to reference material from NOAA. www.pmel.noaa.gov/tao/elnino/la-nina-story.html

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. www7.nationalacademies.org/opus/elnino.html

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. topex-www.jpl.nasa.gov/elnino/index.html

El Niño Loss Reduction Center US Federal Emergency Management Agency preparedness advice and general information about the phenomenon. www.fema.gov/nwz97/elnino.shtm

What is an El Niño? Illustrated explanation with realtime graphics and animations of data from the tropical Pacific Ocean. From NOAA. www.pmel.noaa.gov/tao/elnino/el-nino-story.html