Comparison of the 2015/16 El Niño with the two previous strongest events

Masahiro Shiozaki, Takeshi Enomoto

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3 Citations (Scopus)


The 2015/16 El Niño is compared with the two previous strongest events, the 1982/83 and 1997/98 El Niño. The 2015/16 winter features a basin warming in the Indian Ocean, a negative sea surface temperature (SST) anomaly shifted to the north in the western Pacific Ocean in addition to a positive SST anomaly shifted to the west in the eastern Pacific Ocean. These SST distributions lead to suppressed convection in the Maritime Continent, and to a weakened Hadley circulation in the western Pacific Ocean. The eastern Asian monsoon in the 2015/16 winter was also weakened due to the dominance of the western Pacific (WP) pattern. On the other hand, the third and fourth centers of action of Pacific/North American (PNA) pattern in the 2015/16 case are obscure. This may be due to weak divergence in the eastern Pacific Ocean.

Translated title of the contributionComparison of the 2015/16 El Niño with the Two Previous Strongest Events
Original languageEnglish
Pages (from-to)12-16
Number of pages5
JournalScientific Online Letters on the Atmosphere
Issue number0
Publication statusPublished - Jan 2020
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atmospheric Science


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