Data in Action: Waves and Satellites: Effect of El Niño on Big Wave Surfing

It is now well established that we are in the midst of the strongest El Niño event in nearly two full decades, which we last witnessed with the record-breaking 1997/1998 El Niño. Most of the folks on the U.S. West Coast, especially in Southern California and the Sierra Nevada mountains, associate strong El Niño events with abundant precipitation from an enhanced subtropical jet stream.

El Niño Watch 2015

The El Niño-Southern Oscillation (ENSO) is a quasi-periodic fluctuation of ocean temperatures in the equatorial Pacific. The temperatures generally fluctuate between two states: warmer than normal central and eastern equatorial Pacific (El Niño) and cooler than normal central and eastern equatorial Pacific (La Niña). This animation illustrates the evolution of sea surface temperature (SST) anomalies (relative to the respective normal state) in the Pacific Ocean associated with the developing 2015 El Niño, the warm phase ENSO.

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