This image shows the real-near-time variation of the sea level anomalies over the Equatorial Pacific Ocean.

Here, El Niño induces a relatively high sea level along the west coast of Central America accompanied by a radical switch of the regional climate with heavy rainfall. The most recent snapshot shows that the sea level has returned to its normal level.

The satellite radar altimeters on board the ERS and Envisat Satellites have been measuring sea surface heights since July 1991.

Each image is acquired weekly over a 40-week time window.

DEOS (Department of Earth Observation and Space Systems, Delft University).

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