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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Feb 2022	25	20	9	54
Mar 2022	17	16	1	34
Apr 2022	9	17	1	27
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Jul 2022	5	5	2	12
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Oct 2022	20	5	1	26
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Dec 2022	13	7	0	20
Jan 2023	15	17	1	33
Feb 2023	12	9	0	21
Mar 2023	16	15	0	31
Apr 2023	12	7	2	21
May 2023	43	18	0	61
Jun 2023	46	6	1	53
Jul 2023	45	6	1	52
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Sep 2023	50	12	3	65
Oct 2023	75	7	2	84
Nov 2023	124	8	1	133
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Jan 2024	46	17	2	65
Feb 2024	43	8	4	55
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Apr 2024	61	12	5	78
May 2024	33	21	3	57
Jun 2024	21	9	1	31
Jul 2024	25	15	3	43
Aug 2024	38	7	2	47
Sep 2024	26	9	0	35
Oct 2024	33	7	1	41
Nov 2024	15	5	2	22
Dec 2024	43	10	5	58
Jan 2025	49	10	5	64
Feb 2025	63	12	7	82
Mar 2025	31	8	1	40
Apr 2025	19	20	3	42
May 2025	29	5	6	40
Jun 2025	47	12	1	60
Jul 2025	36	21	1	58
Aug 2025	53	28	2	83
Sep 2025	71	26	1	98
Oct 2025	37	41	3	81
Nov 2025	38	37	3	78
Dec 2025	35	45	3	83

Cumulative views and downloads (calculated since 01 Feb 2016)

Month	HTML	PDF	XML	Total
Feb 2016	166	49	5	220
Mar 2016	103	20	0	123
Apr 2016	18	10	0	28
May 2016	48	15	0	63
Jun 2016	128	58	4	190
Jul 2016	34	14	2	50
Aug 2016	25	14	1	40
Sep 2016	30	15	2	47
Oct 2016	24	10	0	34
Nov 2016	16	4	0	20
Dec 2016	10	5	0	15
Jan 2017	33	82	1	116
Feb 2017	39	7	0	46
Mar 2017	46	11	2	59
Apr 2017	39	11	0	50
May 2017	45	17	3	65
Jun 2017	36	7	5	48
Jul 2017	18	5	6	29
Aug 2017	20	10	9	39
Sep 2017	16	11	3	30
Oct 2017	30	29	4	63
Nov 2017	26	31	3	60
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Jan 2018	21	23	1	45
Feb 2018	24	14	1	39
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Mar 2021	23	7	0	30
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Jan 2023	15	17	1	33
Feb 2023	12	9	0	21
Mar 2023	16	15	0	31
Apr 2023	12	7	2	21
May 2023	43	18	0	61
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Oct 2023	75	7	2	84
Nov 2023	124	8	1	133
Dec 2023	57	17	3	77
Jan 2024	46	17	2	65
Feb 2024	43	8	4	55
Mar 2024	55	12	3	70
Apr 2024	61	12	5	78
May 2024	33	21	3	57
Jun 2024	21	9	1	31
Jul 2024	25	15	3	43
Aug 2024	38	7	2	47
Sep 2024	26	9	0	35
Oct 2024	33	7	1	41
Nov 2024	15	5	2	22
Dec 2024	43	10	5	58
Jan 2025	49	10	5	64
Feb 2025	63	12	7	82
Mar 2025	31	8	1	40
Apr 2025	19	20	3	42
May 2025	29	5	6	40
Jun 2025	47	12	1	60
Jul 2025	36	21	1	58
Aug 2025	53	28	2	83
Sep 2025	71	26	1	98
Oct 2025	37	41	3	81
Nov 2025	38	37	3	78
Dec 2025	35	45	3	83

Latest update: 29 Dec 2025

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.