Indian equatorial jet

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Indian equatorial jet

An intense eastward flow of about four-week duration found at the equator in the Indian Ocean during the transition periods between the monsoon seasons (April–June and October–December).

Speeds at the equator can exceed 1 m s-1 but fall off to less than 0.2 m s-1 at 2°S and 2°N. The jet is the result of sea level adjustment to the change of wind direction from one monsoon season to the next.