Sea Surface Topography

Earth Observatory
El Niño - Southern Oscillation
Ocean Surface Topography Mission (OSTM) / Jason-2
Sea Surface Topography
Sentinel-6 Michael Freilich Satellite
TOPEX / Poseidon (ocean TOPography EXperiment)
A 35-year satellite altimetry record lets scientists hold this year’s El Niño up against its strongest predecessors.
Posted October 23, 2026
Earth Observatory
El Niño - Southern Oscillation
Jet Propulsion Laboratory
Sea Surface Topography
Sentinel-6 Michael Freilich Satellite
Satellite observations of sea surface height indicated that the 2026 event continued to strengthen in early June.
Posted June 18, 2026
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