El Niño Southern Oscillation (ENSO)
Here's a quick look at what's going on right now...
Sea Surface Temperature (SST)
More SST Maps: Weekly, Monthly, and Seasonal Averages
Outgoing Longwave Radiation (OLR)
More OLR Maps: Weekly, Monthly, and Seasonal Averages
Multivariate ENSO Index (MEI)
An experimental ENSO monitoring tool showing departures from normal conditions in the tropical Pacific from 1950-present. Updated monthly.
Current ENSO Related Indices
Link to how the current atm/ocean state compares with others for a collection of ENSO indices. Time-series plots and latest values of the indices are also available.