El Niño/Southern Oscillation (ENSO)
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 crossection.
- 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.
- Individual weather systems as affected by ENSO.
- 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
- Influence of ENSO on medium range forecasts.
- MEI (Multivariate ENSO Index).
- Linearity of the ENSO Signal.
- ENSO SST predictions from Linear Inverse Modeling.
- PSD ENSO publications.
- PSD research topics.
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.