Multivariate ENSO Index (MEI)

This webpage consists of seven main parts, three of which are updated every month:

1. A short description of the Multivariate ENSO Index (MEI);

2. Historic La Niña events since 1950;

3. Historic El Niño events since 1950;

4. MONTHLY UPDATED MEI loading maps for the latest season;

5. MONTHLY UPDATED MEI anomaly maps for the latest season;

6. MONTHLY UPDATED Discussion of recent conditions;

7. Publications and MEI data access.

Back to search results