Satellite observations of cirrus clouds in the Northern Hemisphere lowermost stratosphere

Spang, R.; Günther, G.; Riese, M.; Hoffmann, L.; Müller, R.; Griessbach, S.

doi:10.5194/acp-15-927-2015

Articles | Volume 15, issue 2

https://doi.org/10.5194/acp-15-927-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-927-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 2

Research article

|

27 Jan 2015

Research article |

| 27 Jan 2015

Satellite observations of cirrus clouds in the Northern Hemisphere lowermost stratosphere

R. Spang, G. Günther, M. Riese, L. Hoffmann, R. Müller, and S. Griessbach

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May 2014	85	77	4	166
Jun 2014	30	71	8	109
Jul 2014	46	24	6	76
Aug 2014	15	13	2	30
Sep 2014	13	20	3	36
Oct 2014	18	11	4	33
Nov 2014	19	13	8	40
Dec 2014	20	18	0	38
Jan 2015	89	71	5	165
Feb 2015	52	55	6	113
Mar 2015	30	18	2	50
Apr 2015	36	18	4	58
May 2015	17	21	4	42
Jun 2015	33	9	2	44
Jul 2015	32	15	1	48
Aug 2015	10	11	1	22
Sep 2015	11	17	0	28
Oct 2015	21	6	0	27
Nov 2015	32	17	2	51
Dec 2015	10	25	3	38
Jan 2016	34	13	2	49
Feb 2016	30	14	0	44
Mar 2016	22	12	0	34
Apr 2016	8	9	0	17
May 2016	6	5	1	12
Jun 2016	10	5	0	15
Jul 2016	14	5	3	22
Aug 2016	9	6	0	15
Sep 2016	12	7	0	19
Oct 2016	12	4	0	16
Nov 2016	10	4	0	14
Dec 2016	3	4	0	7
Jan 2017	19	3	2	24
Feb 2017	15	5	3	23
Mar 2017	24	13	8	45
Apr 2017	29	10	10	49
May 2017	21	5	8	34
Jun 2017	28	3	10	41
Jul 2017	17	2	7	26
Aug 2017	10	7	8	25
Sep 2017	9	7	6	22
Oct 2017	9	11	16	36
Nov 2017	7	8	19	34
Dec 2017	6	7	22	35
Jan 2018	10	10	19	39
Feb 2018	5	7	18	30
Mar 2018	11	9	19	39
Apr 2018	9	6	16	31
May 2018	9	5	13	27
Jun 2018	3	9	17	29
Jul 2018	3	6	12	21
Aug 2018	12	10	8	30
Sep 2018	8	12	17	37
Oct 2018	8	10	14	32
Nov 2018	15	9	19	43
Dec 2018	8	2	13	23
Jan 2019	4	4	4	12
Feb 2019	5	6	8	19
Mar 2019	6	8	5	19
Apr 2019	2	5	2	9
May 2019	8	4	1	13
Jun 2019	2	6	3	11
Jul 2019	7	8	4	19
Aug 2019	6	4	9	19
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Nov 2019	6	4	4	14
Dec 2019	5	4	1	10
Jan 2020	14	5	2	21
Feb 2020	6	2	4	12
Mar 2020	2	6	1	9
Apr 2020	3	9	4	16
May 2020	8	11	7	26
Jun 2020	21	2	2	25
Jul 2020	18	9	10	37
Aug 2020	11	7	13	31
Sep 2020	8	4	7	19
Oct 2020	8	6	6	20
Nov 2020	5	5	7	17
Dec 2020	13	8	8	29
Jan 2021	18	4	8	30
Feb 2021	13	7	7	27
Mar 2021	20	13	2	35
Apr 2021	5	7	7	19
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Aug 2021	5	10	7	22
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Oct 2021	4	32	7	43
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Apr 2023	9	2	0	11
May 2023	31	10	0	41
Jun 2023	38	6	0	44
Jul 2023	38	15	1	54
Aug 2023	36	11	2	49
Sep 2023	37	4	0	41
Oct 2023	76	8	2	86
Nov 2023	98	1	0	99
Dec 2023	44	3	2	49
Jan 2024	44	6	0	50
Feb 2024	44	8	5	57
Mar 2024	41	13	3	57
Apr 2024	42	8	2	52
May 2024	17	11	1	29
Jun 2024	38	10	3	51
Jul 2024	11	13	2	26
Aug 2024	19	12	4	35
Sep 2024	7	11	0	18
Oct 2024	20	12	0	32
Nov 2024	22	3	2	27
Dec 2024	26	6	4	36
Jan 2025	18	15	2	35
Feb 2025	28	5	0	33
Mar 2025	10	15	1	26
Apr 2025	22	11	0	33
May 2025	17	15	2	34
Jun 2025	34	8	1	43
Jul 2025	18	21	2	41
Aug 2025	40	18	3	61
Sep 2025	51	12	6	69
Oct 2025	27	28	0	55
Nov 2025	27	20	6	53
Dec 2025	31	24	1	56
Jan 2026	46	24	12	82
Feb 2026	33	18	1	52
Mar 2026	25	14	4	43
Apr 2026	14	13	1	28

Cumulative views and downloads (calculated since 14 May 2014)

Month	HTML	PDF	XML	Total
May 2014	85	77	4	166
Jun 2014	30	71	8	109
Jul 2014	46	24	6	76
Aug 2014	15	13	2	30
Sep 2014	13	20	3	36
Oct 2014	18	11	4	33
Nov 2014	19	13	8	40
Dec 2014	20	18	0	38
Jan 2015	89	71	5	165
Feb 2015	52	55	6	113
Mar 2015	30	18	2	50
Apr 2015	36	18	4	58
May 2015	17	21	4	42
Jun 2015	33	9	2	44
Jul 2015	32	15	1	48
Aug 2015	10	11	1	22
Sep 2015	11	17	0	28
Oct 2015	21	6	0	27
Nov 2015	32	17	2	51
Dec 2015	10	25	3	38
Jan 2016	34	13	2	49
Feb 2016	30	14	0	44
Mar 2016	22	12	0	34
Apr 2016	8	9	0	17
May 2016	6	5	1	12
Jun 2016	10	5	0	15
Jul 2016	14	5	3	22
Aug 2016	9	6	0	15
Sep 2016	12	7	0	19
Oct 2016	12	4	0	16
Nov 2016	10	4	0	14
Dec 2016	3	4	0	7
Jan 2017	19	3	2	24
Feb 2017	15	5	3	23
Mar 2017	24	13	8	45
Apr 2017	29	10	10	49
May 2017	21	5	8	34
Jun 2017	28	3	10	41
Jul 2017	17	2	7	26
Aug 2017	10	7	8	25
Sep 2017	9	7	6	22
Oct 2017	9	11	16	36
Nov 2017	7	8	19	34
Dec 2017	6	7	22	35
Jan 2018	10	10	19	39
Feb 2018	5	7	18	30
Mar 2018	11	9	19	39
Apr 2018	9	6	16	31
May 2018	9	5	13	27
Jun 2018	3	9	17	29
Jul 2018	3	6	12	21
Aug 2018	12	10	8	30
Sep 2018	8	12	17	37
Oct 2018	8	10	14	32
Nov 2018	15	9	19	43
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May 2023	31	10	0	41
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Oct 2023	76	8	2	86
Nov 2023	98	1	0	99
Dec 2023	44	3	2	49
Jan 2024	44	6	0	50
Feb 2024	44	8	5	57
Mar 2024	41	13	3	57
Apr 2024	42	8	2	52
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Jun 2024	38	10	3	51
Jul 2024	11	13	2	26
Aug 2024	19	12	4	35
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Apr 2025	22	11	0	33
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Jun 2025	34	8	1	43
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Aug 2025	40	18	3	61
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Dec 2025	31	24	1	56
Jan 2026	46	24	12	82
Feb 2026	33	18	1	52
Mar 2026	25	14	4	43
Apr 2026	14	13	1	28

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Short summary

Here we present observations of the Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere (CRISTA) of cirrus cloud and water vapour in August 1997 in the upper troposphere and lower stratosphere (UTLS) region. The observations indicate a considerable flux of moisture from the upper tropical troposphere into the extra-tropical lowermost stratosphere (LMS), resulting in the occurrence of high-altitude optically thin cirrus clouds in the LMS.