Influence of sea surface roughness length parameterization on Mistral and Tramontane simulations

Obermann, Anika; Edelmann, Benedikt; Ahrens, Bodo

doi:10.5194/asr-13-107-2016

Articles | Volume 13

https://doi.org/10.5194/asr-13-107-2016

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

Special issue:

EMS 2015

https://doi.org/10.5194/asr-13-107-2016

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

Articles | Volume 13

08 Jul 2016

| 08 Jul 2016

Influence of sea surface roughness length parameterization on Mistral and Tramontane simulations

Anika Obermann, Benedikt Edelmann, and Bodo Ahrens

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Jul 2016	31	4	1	36
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Jan 2017	40	11	2	53
Feb 2017	28	3	0	31
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Apr 2017	84	9	1	94
May 2017	21	10	2	33
Jun 2017	18	19	2	39
Jul 2017	10	17	1	28
Aug 2017	5	16	0	21
Sep 2017	10	15	0	25
Oct 2017	5	23	0	28
Nov 2017	7	16	0	23
Dec 2017	9	24	0	33
Jan 2018	5	25	0	30
Feb 2018	16	23	5	44
Mar 2018	13	37	1	51
Apr 2018	8	25	0	33
May 2018	8	33	0	41
Jun 2018	7	34	1	42
Jul 2018	10	37	0	47
Aug 2018	8	39	0	47
Sep 2018	13	19	0	32
Oct 2018	15	46	2	63
Nov 2018	12	29	2	43
Dec 2018	7	24	0	31
Jan 2019	4	23	0	27
Feb 2019	9	24	2	35
Mar 2019	10	33	2	45
Apr 2019	7	35	1	43
May 2019	13	40	6	59
Jun 2019	9	42	12	63
Jul 2019	6	26	3	35
Aug 2019	10	43	6	59
Sep 2019	9	27	6	42
Oct 2019	12	32	4	48
Nov 2019	9	40	10	59
Dec 2019	10	19	3	32
Jan 2020	14	12	8	34
Feb 2020	19	9	2	30
Mar 2020	14	12	3	29
Apr 2020	14	12	5	31
May 2020	10	2	3	15
Jun 2020	28	15	2	45
Jul 2020	37	32	33	102
Aug 2020	13	10	2	25
Sep 2020	13	9	0	22
Oct 2020	13	8	2	23
Nov 2020	24	21	1	46
Dec 2020	23	22	5	50
Jan 2021	19	14	0	33
Feb 2021	12	20	0	32
Mar 2021	19	17	0	36
Apr 2021	17	13	0	30
May 2021	25	22	2	49
Jun 2021	4	10	0	14
Jul 2021	4	8	2	14
Aug 2021	9	8	0	17
Sep 2021	3	4	0	7
Oct 2021	4	15	0	19
Nov 2021	7	26	0	33
Dec 2021	16	19	1	36
Jan 2022	15	18	1	34
Feb 2022	22	16	1	39
Mar 2022	9	15	2	26
Apr 2022	11	7	0	18
May 2022	10	10	0	20
Jun 2022	9	8	1	18
Jul 2022	6	9	0	15
Aug 2022	15	12	0	27
Sep 2022	17	9	1	27
Oct 2022	11	17	3	31
Nov 2022	7	11	1	19
Dec 2022	7	6	2	15
Jan 2023	8	7	0	15
Feb 2023	8	3	0	11
Mar 2023	14	9	0	23
Apr 2023	2	0	2
May 2023	2	6	0	8
Jun 2023	7	3	0	10
Jul 2023	3	4	0	7
Aug 2023	3	2	1	6
Sep 2023	1	3	0	4
Oct 2023	26	5	1	32
Nov 2023	85	6	0	91
Dec 2023	9	4	1	14
Jan 2024	2	16	0	18
Feb 2024	2	5	0	7
Mar 2024	5	1	6
Apr 2024	10	6	1	17
May 2024	6	8	1	15
Jun 2024	69	5	4	78
Jul 2024	14	5	3	22
Aug 2024	44	3	3	50
Sep 2024	9	5	3	17
Oct 2024	4	6	1	11
Nov 2024	8	3	0	11
Dec 2024	5	4	0	9
Jan 2025	10	13	1	24
Feb 2025	17	12	1	30
Mar 2025	7	9	3	19
Apr 2025	6	10	1	17
May 2025	18	11	1	30
Jun 2025	26	10	0	36
Jul 2025	12	20	1	33
Aug 2025	23	15	1	39
Sep 2025	48	17	1	66
Oct 2025	28	16	2	46
Nov 2025	27	20	2	49
Dec 2025	30	12	4	46
Jan 2026	13	7	4	24

Cumulative views and downloads (calculated since 08 Jul 2016)

Month	HTML	PDF	XML	Total
Jul 2016	31	4	1	36
Aug 2016	36	5	1	42
Sep 2016	44	1	1	46
Oct 2016	24	5	2	31
Nov 2016	59	6	0	65
Dec 2016	57	5	1	63
Jan 2017	40	11	2	53
Feb 2017	28	3	0	31
Mar 2017	51	7	1	59
Apr 2017	84	9	1	94
May 2017	21	10	2	33
Jun 2017	18	19	2	39
Jul 2017	10	17	1	28
Aug 2017	5	16	0	21
Sep 2017	10	15	0	25
Oct 2017	5	23	0	28
Nov 2017	7	16	0	23
Dec 2017	9	24	0	33
Jan 2018	5	25	0	30
Feb 2018	16	23	5	44
Mar 2018	13	37	1	51
Apr 2018	8	25	0	33
May 2018	8	33	0	41
Jun 2018	7	34	1	42
Jul 2018	10	37	0	47
Aug 2018	8	39	0	47
Sep 2018	13	19	0	32
Oct 2018	15	46	2	63
Nov 2018	12	29	2	43
Dec 2018	7	24	0	31
Jan 2019	4	23	0	27
Feb 2019	9	24	2	35
Mar 2019	10	33	2	45
Apr 2019	7	35	1	43
May 2019	13	40	6	59
Jun 2019	9	42	12	63
Jul 2019	6	26	3	35
Aug 2019	10	43	6	59
Sep 2019	9	27	6	42
Oct 2019	12	32	4	48
Nov 2019	9	40	10	59
Dec 2019	10	19	3	32
Jan 2020	14	12	8	34
Feb 2020	19	9	2	30
Mar 2020	14	12	3	29
Apr 2020	14	12	5	31
May 2020	10	2	3	15
Jun 2020	28	15	2	45
Jul 2020	37	32	33	102
Aug 2020	13	10	2	25
Sep 2020	13	9	0	22
Oct 2020	13	8	2	23
Nov 2020	24	21	1	46
Dec 2020	23	22	5	50
Jan 2021	19	14	0	33
Feb 2021	12	20	0	32
Mar 2021	19	17	0	36
Apr 2021	17	13	0	30
May 2021	25	22	2	49
Jun 2021	4	10	0	14
Jul 2021	4	8	2	14
Aug 2021	9	8	0	17
Sep 2021	3	4	0	7
Oct 2021	4	15	0	19
Nov 2021	7	26	0	33
Dec 2021	16	19	1	36
Jan 2022	15	18	1	34
Feb 2022	22	16	1	39
Mar 2022	9	15	2	26
Apr 2022	11	7	0	18
May 2022	10	10	0	20
Jun 2022	9	8	1	18
Jul 2022	6	9	0	15
Aug 2022	15	12	0	27
Sep 2022	17	9	1	27
Oct 2022	11	17	3	31
Nov 2022	7	11	1	19
Dec 2022	7	6	2	15
Jan 2023	8	7	0	15
Feb 2023	8	3	0	11
Mar 2023	14	9	0	23
Apr 2023	2	0	2
May 2023	2	6	0	8
Jun 2023	7	3	0	10
Jul 2023	3	4	0	7
Aug 2023	3	2	1	6
Sep 2023	1	3	0	4
Oct 2023	26	5	1	32
Nov 2023	85	6	0	91
Dec 2023	9	4	1	14
Jan 2024	2	16	0	18
Feb 2024	2	5	0	7
Mar 2024	5	1	6
Apr 2024	10	6	1	17
May 2024	6	8	1	15
Jun 2024	69	5	4	78
Jul 2024	14	5	3	22
Aug 2024	44	3	3	50
Sep 2024	9	5	3	17
Oct 2024	4	6	1	11
Nov 2024	8	3	0	11
Dec 2024	5	4	0	9
Jan 2025	10	13	1	24
Feb 2025	17	12	1	30
Mar 2025	7	9	3	19
Apr 2025	6	10	1	17
May 2025	18	11	1	30
Jun 2025	26	10	0	36
Jul 2025	12	20	1	33
Aug 2025	23	15	1	39
Sep 2025	48	17	1	66
Oct 2025	28	16	2	46
Nov 2025	27	20	2	49
Dec 2025	30	12	4	46
Jan 2026	13	7	4	24

Latest update: 18 Jan 2026

Short summary

Simulated surface winds in atmospheric models depend, among others, on the parameterization of the sea surface roughness. Three parameterizations (variation of Charnock parameter) were tested in the western Mediterranean area during Mistral events with the regional climate model COSMO-CLM. While the whole sea level pressure pattern did not change much, a larger Charnock parameter led to lower wind speeds and a rotation of the wind direction.