Important: The Climate Analysis Branch (PSD1) web site will be down in anticipiation of our major web restructuring starting Tuesday Jan 20th at 1pm MST.
You can find more info about the upcoming URL changes here.
You can find more info about the upcoming URL changes here.
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.