Indian Ocean Dipole (IOD)

Issued 3 September 2024

The Indian Ocean Dipole (IOD) is currently neutral.

• The latest weekly value of the Indian Ocean Dipole (IOD) index to 1 September 2024 was +0.15°C.
• Most international climate models surveyed by the Bureau of Meteorology suggest a neutral IOD until at least the end of spring (October).
• Predictability of the IOD is low at this time of year for forecasts beyond 2 months, with the model forecasts showing a large spread of possible outcomes.

The Indian Ocean Dipole (IOD) is the difference in sea surface temperatures between the eastern and western tropical Indian Ocean.