Water vapour variability in the high-latitude upper troposphere – Part  2: Impact  of volcanic eruptions

Sioris, Christopher E.; Zou, Jason; McElroy, C. Thomas; Boone, Chris D.; Sheese, Patrick E.; Bernath, Peter F.

doi:10.5194/acp-16-2207-2016

Articles | Volume 16, issue 4

https://doi.org/10.5194/acp-16-2207-2016

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

https://doi.org/10.5194/acp-16-2207-2016

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

Articles | Volume 16, issue 4

Research article

|

25 Feb 2016

Research article |

| 25 Feb 2016

Water vapour variability in the high-latitude upper troposphere – Part 2: Impact of volcanic eruptions

Christopher E. Sioris, Jason Zou, C. Thomas McElroy, Chris D. Boone, Patrick E. Sheese, and Peter F. Bernath

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Nov 2022	23	3	0	26
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Jan 2023	8	4	1	13
Feb 2023	9	6	0	15
Mar 2023	8	3	1	12
Apr 2023	2	4	0	6
May 2023	35	12	0	47
Jun 2023	41	6	3	50
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Feb 2024	39	7	0	46
Mar 2024	41	15	3	59
Apr 2024	36	6	3	45
May 2024	9	14	3	26
Jun 2024	13	19	1	33
Jul 2024	20	5	3	28
Aug 2024	27	5	6	38
Sep 2024	17	7	4	28
Oct 2024	25	4	0	29
Nov 2024	8	6	2	16
Dec 2024	12	9	3	24
Jan 2025	18	10	0	28
Feb 2025	26	5	0	31
Mar 2025	19	6	0	25
Apr 2025	16	11	2	29
May 2025	16	5	0	21
Jun 2025	43	7	3	53
Jul 2025	22	16	1	39
Aug 2025	29	12	6	47
Sep 2025	37	11	0	48
Oct 2025	23	21	0	44
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Cumulative views and downloads (calculated since 24 Sep 2015)

Month	HTML	PDF	XML	Total
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Oct 2015	44	27	9	80
Nov 2015	20	15	6	41
Dec 2015	14	7	5	26
Jan 2016	25	9	3	37
Feb 2016	109	43	4	156
Mar 2016	73	41	4	118
Apr 2016	19	14	0	33
May 2016	17	12	1	30
Jun 2016	16	10	1	27
Jul 2016	13	8	1	22
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Mar 2021	6	4	1	11
Apr 2021	7	5	1	13
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Jun 2021	4	7	0	11
Jul 2021	7	10	0	17
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Mar 2023	8	3	1	12
Apr 2023	2	4	0	6
May 2023	35	12	0	47
Jun 2023	41	6	3	50
Jul 2023	38	3	1	42
Aug 2023	34	7	2	43
Sep 2023	35	7	1	43
Oct 2023	38	6	3	47
Nov 2023	24	1	25
Dec 2023	41	6	0	47
Jan 2024	41	4	0	45
Feb 2024	39	7	0	46
Mar 2024	41	15	3	59
Apr 2024	36	6	3	45
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Jan 2025	18	10	0	28
Feb 2025	26	5	0	31
Mar 2025	19	6	0	25
Apr 2025	16	11	2	29
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Jun 2025	43	7	3	53
Jul 2025	22	16	1	39
Aug 2025	29	12	6	47
Sep 2025	37	11	0	48
Oct 2025	23	21	0	44
Nov 2025	16	16	4	36

Latest update: 23 Nov 2025

Short summary

This paper shows that volcanic eruptions occurring at higher latitudes in windy environments can lead to significant perturbations to upper tropospheric (UT) humidity mostly due to entrainment of lower tropospheric moisture by wind-blown plumes. This research was performed for the purpose of determining long-term trends in high-latitude UT water vapour. The steps involve building a monthly climatology and using it to deseasonalize the time series. Large observed anomalies are then studied.