South America ACCESS Global MSL Pressure/Thickness/Rainfall Summary

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Could Australia see a negative IOD in 2024?

13:39 AEST A wet spring could be on the cards for large parts of Australia, with several models suggesting a negative Indian Ocean Dipole could develop in the Indian Ocean.  A negative Indian Ocean Dipole (IOD) refers to a pattern of sea surface temperatures in the tropical Indian Ocean that causes more moisture-laden air to flow towards Australia.  These negative IOD events, which occur on average once every five years, typically enhance northwest cloudbands over Australia and produce above-average rain over large areas of the country's south and southeast during winter and spring.  The Bureau of Meteorology declared yesterday that there is an increased chance of a negative IOD in spring.

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