Articles | Volume 16, issue 22
Atmos. Chem. Phys., 16, 14755–14774, 2016
https://doi.org/10.5194/acp-16-14755-2016

Special issue: The SPARC Reanalysis Intercomparison Project (S-RIP) (ACP/ESSD...

Atmos. Chem. Phys., 16, 14755–14774, 2016
https://doi.org/10.5194/acp-16-14755-2016

Research article 25 Nov 2016

Research article | 25 Nov 2016

Movement, drivers and bimodality of the South Asian High

Matthias Nützel et al.

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Revised manuscript accepted for ACP
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Cited articles

Adler, R., Huffman, G., Chang, A., Ferraro, R., Xie, P., Janowiak, J., Rudolf, B., Schneider, U., Curtis, S., Bolvin, D., Gruber, A., Susskind, J., and Arkin, P.: The Version 2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979–Present), J. Hydrometeorol., 4, 1147–1167, 2003.
Dethof, A., Oneill, A., Slingo, J. M., and Smit, H. G. J.: A mechanism for moistening the lower stratosphere involving the Asian summer monsoon, Q. J. Roy. Meteor. Soc., 125, 1079–1106, https://doi.org/10.1256/smsqj.55601, 1999.
ESMVal: Earth System Model Validation, available at: http://www.pa.op.dlr.de/ESMVal/index.html (last access: 6 April 2016), 2012.
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Using seven reanalyses, we study the movement and drivers of the upper tropospheric–lower stratospheric anticyclone (AC) that forms during the Asian summer monsoon and is debated to be an important pathway for air masses to the stratosphere. We find that the distribution of the AC's centre position, and especially the so-called bimodality, largely depends on the reanalysis. Furthermore, we can connect shifts of the AC to precipitation and convection anomalies over India and the western Pacific.
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