Asia ACCESS Global MSL Pressure/Thickness/Rainfall +240 hour Chart

Increasing signs a positive IOD could develop this winter

12:48 AEST There are increasing signs that a positive Indian Ocean Dipole could develop this winter, increasing the chance of abnormally dry and warm weather in some parts of Australia over the coming months.  What is the Indian Ocean Dipole?   The Indian Ocean Dipole (IOD) is an index that measures the difference between sea surface temperatures on the eastern and western sides of the Indian Ocean.