caa a22 4500 605475016 CHVBK 20210128100350.0 cr unu---uuuuu 210128e20150501xx s 000 0 eng 10.1007/s00382-014-2422-z doi (NATIONALLICENCE)springer-10.1007/s00382-014-2422-z Global eastward propagation signals associated with the 4-5-year ENSO cycle [Elektronische Daten] [S.-Y. Simon Wang, Xianan Jiang, Boniface Fosu] Longitude-time evolution of sea surface temperature anomalies (SSTA) reveals a slow southeastward propagation from the western North Pacific (WNP) around 20°N to the Niño-3.4 region in the equatorial Central Pacific. The propagation is manifested as a narrow, southwest-northeast oriented SSTA band across the subtropical North Pacific, and its journey takes about 2-3years. The propagating SSTA appears to engage the initiation of the El Niño-Southern Oscillation (ENSO). The anomalies of surface winds, sea level pressure, outgoing longwave radiation, and velocity potential all exhibit a concurrent and distinct eastward propagation, one that appears to be circumglobaland is coupled with the predominant 4-5year frequency of the ENSO cycle. It is suggested that the previously found warming/cooling in the Indian Ocean induced by El Niño/La Niña, the progressive SSTA and wind anomalies across the Indian Ocean towards the WNP, and the predominant 4-5-year frequency of the North Pacific Oscillation collectively contribute to the reported SSTA propagation . The findings implicate that monitoring the SSTA propagation from the WNP towards the tropical central Pacific could be useful in tracking the ENSO development. Springer-Verlag Berlin Heidelberg, 2014 ENSO cycle nationallicence SST propagation nationallicence Precursor nationallicence Prediction nationallicence WNP nationallicence Simon Wang S.-Y Utah Climate Center, Utah State University, Logan, UT, USA aut Jiang Xianan Joint Institute for Regional Earth System Science and Engineering, UCLA, Los Angeles, CA, USA aut Fosu Boniface Climate Sciences Program, Utah State University, Logan, UT, USA aut Climate Dynamics Springer Berlin Heidelberg 44/9-10(2015-05-01), 2825-2837 0930-7575 44:9-10<2825 2015 44 382 https://doi.org/10.1007/s00382-014-2422-z text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00382-014-2422-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Simon Wang S.-Y Utah Climate Center, Utah State University, Logan, UT, USA aut NATIONALLICENCE 700 1- Jiang Xianan Joint Institute for Regional Earth System Science and Engineering, UCLA, Los Angeles, CA, USA aut NATIONALLICENCE 700 1- Fosu Boniface Climate Sciences Program, Utah State University, Logan, UT, USA aut NATIONALLICENCE 773 0- Climate Dynamics Springer Berlin Heidelberg 44/9-10(2015-05-01), 2825-2837 0930-7575 44:9-10<2825 2015 44 382