Representation of the tropical stratospheric zonal wind in global  atmospheric reanalyses

Kawatani, Yoshio; Hamilton, Kevin; Miyazaki, Kazuyuki; Fujiwara, Masatomo; Anstey, James A.

doi:10.5194/acp-16-6681-2016

Articles | Volume 16, issue 11

https://doi.org/10.5194/acp-16-6681-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

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

https://doi.org/10.5194/acp-16-6681-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 11

Research article

|

02 Jun 2016

Research article |

| 02 Jun 2016

Representation of the tropical stratospheric zonal wind in global atmospheric reanalyses

Yoshio Kawatani, Kevin Hamilton, Kazuyuki Miyazaki, Masatomo Fujiwara, and James A. Anstey

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Cumulative views and downloads (calculated since 01 Feb 2016)

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Mar 2016	103	20	0	123
Apr 2016	18	10	0	28
May 2016	48	15	0	63
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Jan 2026	51	32	10	93
Feb 2026	51	15	5	71
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Latest update: 02 Apr 2026

Short summary

This paper compares the representation of the monthly-mean zonal wind in the equatorial stratosphere among major global atmospheric reanalysis data sets. Differences among reanalysis display a prominent equatorial maximum, indicating the particularly challenging nature of the reanalysis problem in the low-latitude stratosphere. Our study confirms that the high accuracy in situ wind measurements have provided important constraints to reanalyses of circulation in the tropical stratosphere.