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About the role of westerly wind events in the possible development of an El Nino in 2014

DRS at CSIR-National Institute of Oceanography

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Title About the role of westerly wind events in the possible development of an El Nino in 2014
 
Creator Menkes, C.E.
Lengaigne, M.
Vialard, J.
Puy, M.
Marchesiello, P.
Cravatte, S.
Cambon, G.
 
Subject METEOROLOGY AND CLIMATOLOGY
METEOROLOGY AND CLIMATOLOGY
METEOROLOGY AND CLIMATOLOGY
OCEANOGRAPHY AND LIMNOLOGY
 
Description Similarities between early 1997 and 2014 has prompted climate scientists to wonder if an El Niño matching the 1997 “El Niño of the century” could develop in 2014. Until April 2014, the equatorial Pacific exhibited positive heat content anomalies along with an eastward warm pool displacement similar to those found during the onset of strong El Niño events. Yet in July 2014, the warm pool had retreated back to its climatological positions and equatorial temperature anomalies were much weaker than in mid-1997. Dedicated oceanic simulations reveal that these weak interannual anomalies can be attributed to differences in Westerly Wind Event (WWE) sequences. In contrast with 1997, the lack of WWEs from April to June significantly limited the growth of eastern Pacific anomalies and the eastward warm pool displacement in 2014. With the absence of additional WWE activity, prospects for a mature El Niño in late 2014 are fading
 
Date 2017-09-27T13:07:33Z
2017-09-27T13:07:33Z
2014
 
Type Journal Article
 
Identifier Geophysical Research Letters, vol.41; 2014; 6476-6483
http://drs.nio.org/drs/handle/2264/5174
 
Language en
 
Rights Copyright [2014]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository
 
Publisher American Geophysical Union