Since 1954, studies concluded that the near-equatorial trough
was associated with a maximum in oceanic sea surface temperature. It is sometimes used as a synonym for the terms near equatorial tradewind convergence, Intertropical convergence zone
, and monsoon trough
. Surges of higher pressure from high latitudes can enhance tropical disturbances along its axis. A pair of these troughs can occur during the Spring transition season.
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