PIA26091: SWOT Monitors Warming Waters Off California Coast
 Target Name:  Earth
 Is a satellite of:  Sol (our sun)
 Mission:  SWOT 
 Spacecraft:  SWOT
 Instrument:  KaRIn 
 Product Size:  1570 x 1870 pixels (w x h)
 Produced By:  JPL
 Full-Res TIFF:  PIA26091.tif (4.064 MB)
 Full-Res JPEG:  PIA26091.jpg (286.6 kB)

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This data visualization image above shows sea surface heights off the northern California coast in August 2023 as measured by the Surface Water and Ocean Topography (SWOT) satellite. Red indicates higher-than-average ocean heights, while blue represents lower-than-average heights.

Warm ocean waters from the developing El Niño are shifting north along coastlines in the eastern Pacific Ocean. Along the coast of California, these warm waters are interacting with a persistent marine heat wave that recently influenced the development of Hurricane Hilary. SWOT is able to spot the movement of these warm ocean waters in unprecedented detail.

The SWOT science team made the measurements with the Ka-band Radar Interferometer (KaRIn) instrument. With two antennas spread 33 feet (10 meters) apart on a boom, KaRIn produces a pair of data swaths as it circles the globe, bouncing radar pulses off the water's surface to collect water-height measurements. The visualization combines data from two passes of the SWOT satellite.

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