Science Background
What happens during an "El Niño/La Niña" cycle? Example: A 3-D animation of the tropical Pacific ocean during a simulated ENSO cycle.
Annual Cycle: what is normal for the atmosphere and ocean?
Current Conditions
What is the current state of El Niño/La Niña?
Latest SST Animation.
Most recent ENSO index time-series plot.
Latest Tropical Pacific SST time-longitude cross section.
Current climate maps.
Current projection of SST onto ENSO optimal structure.
Climate Associations
Climate: What have been historical climate relationships to ENSO? Compare the climate of El Niño and La Niña.
Differences between recent El Niño and La Niña events.
Historical ENSO
What years are ENSO years?
Long-term ENSO time-series.
SST Animations during past events.
Current PSD Research Topics
MEI (Multivariate ENSO Index).
Linearity of the ENSO Signal.
ENSO SST predictions from Linear Inverse Modeling.
PSD ENSO Research and publications.
Forecasts
Forecasts and advisories, including PSD's linear inverse modeling and CCA ENSO forecast.
Other Information
FAQ
Educational resources for teachers and the interested public.
Other ENSO Web Pages.
glossary of terms.