Abstract
This paper investigates the relationship between mei-yu and North Atlantic sea surface temperature anomalies (SSTA). Results show that they are significantly associated with each other on the decadal timescale. Both mei-yu precipitation and mei-yu duration are characterized by significant decadal variability. Their decadal components are closely correlated with a triple mode of North Atlantic SSTA in the preceding winter. Regression analysis demonstrates that the wintertime North Atlantic SSTA may impose a delayed impact on East Asia Summer Monsoon (EASM) circulation and mei-yu on the decadal timescale. The persistency of SSTA plays an important role during this course. The triple SSTA mode can persist from winter until late spring. It is suggested that the springtime SSTA may excite a stationary wave-train propagating from west Eurasia to East Asia and exert an impact on mei-yu.
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Gu, W., Li, C., Wang, X. et al. Linkage between mei-yu precipitation and North Atlantic SST on the decadal timescale. Adv. Atmos. Sci. 26, 101–108 (2009). https://doi.org/10.1007/s00376-009-0101-5
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DOI: https://doi.org/10.1007/s00376-009-0101-5