Introduces El Niño, when El Niño events have been recorded
and how it compares to La Niña.
Provides a brief insight into the most recent El Niño event.
Introduces upwelling, the thermocline and how they impact local sea
Non-El Niño Years
Typical oceanic and atmospheric conditions that exist
in the tropical Pacific when no El Niño is present..
El Niño Events
Conditions that lead to an El Niño event
and how El Niño influences upwelling processes, tropical rainfall
and local fish populations.
Sea Surface Temperatures
El Niño visualized through sea surface temperature
Impacts on Weather
The influence of El Niño on weather conditions worldwide.
Reduction in local fish populations, which
in turn affect local industry and market prices worldwide.
Detection and Prediction
Methods and resources
used by NOAA for detecting and predicting the presence
of El Niño.
Those who contributed to the development of this module.