Improved simulation of precipitation in the tropics using a modified BMJ scheme in the WRF model

Fonseca, R. M.; Zhang, T.; Yong, K.-T.

doi:https://doi.org/10.5194/gmd-8-2915-2015

Articles | Volume 8, issue 9

https://doi.org/10.5194/gmd-8-2915-2015

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

https://doi.org/10.5194/gmd-8-2915-2015

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

Articles | Volume 8, issue 9

Development and technical paper

|

22 Sep 2015

Development and technical paper |

| 22 Sep 2015

Improved simulation of precipitation in the tropics using a modified BMJ scheme in the WRF model

R. M. Fonseca, T. Zhang, and K.-T. Yong

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Nov 2015	20	24	0	44
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Jan 2016	28	10	0	38
Feb 2016	15	14	1	30
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Sep 2016	8	10	3	21
Oct 2016	10	10	5	25
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Dec 2016	9	4	2	15
Jan 2017	19	11	3	33
Feb 2017	16	10	3	29
Mar 2017	24	16	6	46
Apr 2017	23	6	5	34
May 2017	36	18	6	60
Jun 2017	25	6	2	33
Jul 2017	15	13	3	31
Aug 2017	11	11	3	25
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Oct 2017	4	15	2	21
Nov 2017	9	4	1	14
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Jan 2018	11	16	3	30
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Apr 2018	7	6	3	16
May 2018	7	12	3	22
Jun 2018	8	17	4	29
Jul 2018	8	12	2	22
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Feb 2019	8	8	7	23
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Apr 2019	5	5	1	11
May 2019	8	10	5	23
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Jul 2019	4	10	1	15
Aug 2019	13	11	7	31
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Oct 2019	11	11	1	23
Nov 2019	11	9	5	25
Dec 2019	9	13	4	26
Jan 2020	14	8	2	24
Feb 2020	15	10	1	26
Mar 2020	8	9	5	22
Apr 2020	12	10	3	25
May 2020	8	9	2	19
Jun 2020	20	9	1	30
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Aug 2020	6	9	1	16
Sep 2020	13	9	4	26
Oct 2020	13	7	2	22
Nov 2020	6	11	7	24
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Jan 2021	19	13	1	33
Feb 2021	9	5	6	20
Mar 2021	12	10	7	29
Apr 2021	11	11	7	29
May 2021	5	13	5	23
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Aug 2021	11	8	10	29
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Oct 2021	5	32	2	39
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Dec 2021	17	19	6	42
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Mar 2022	8	10	12	30
Apr 2022	37	7	2	46
May 2022	36	12	3	51
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Jan 2023	35	21	2	58
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Mar 2023	44	11	2	57
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Jun 2023	34	13	2	49
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Oct 2023	59	13	0	72
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Dec 2023	44	4	1	49
Jan 2024	47	15	3	65
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Mar 2024	41	14	0	55
Apr 2024	43	7	3	53
May 2024	11	14	3	28
Jun 2024	14	5	2	21
Jul 2024	14	7	1	22
Aug 2024	23	7	1	31
Sep 2024	8	9	0	17
Oct 2024	12	7	0	19
Nov 2024	7	11	1	19
Dec 2024	12	5	0	17
Jan 2025	9	12	0	21
Feb 2025	31	14	1	46
Mar 2025	18	14	0	32
Apr 2025	7	18	1	26
May 2025	16	16	1	33
Jun 2025	42	15	1	58
Jul 2025	23	10	0	33
Aug 2025	23	25	4	52
Sep 2025	17	18	1	36
Oct 2025	30	32	1	63
Nov 2025	20	10	3	33

Cumulative views and downloads (calculated since 26 May 2015)

Month	HTML	PDF	XML	Total
May 2015	32	29	3	64
Jun 2015	44	27	1	72
Jul 2015	30	15	0	45
Aug 2015	16	8	0	24
Sep 2015	46	38	2	86
Oct 2015	44	17	1	62
Nov 2015	20	24	0	44
Dec 2015	9	13	0	22
Jan 2016	28	10	0	38
Feb 2016	15	14	1	30
Mar 2016	14	9	0	23
Apr 2016	12	6	1	19
May 2016	13	5	5	23
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Jul 2016	11	3	5	19
Aug 2016	11	7	4	22
Sep 2016	8	10	3	21
Oct 2016	10	10	5	25
Nov 2016	10	8	1	19
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Feb 2017	16	10	3	29
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Apr 2017	23	6	5	34
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Oct 2022	40	12	12	64
Nov 2022	37	8	3	48
Dec 2022	36	13	0	49
Jan 2023	35	21	2	58
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Jun 2023	34	13	2	49
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Aug 2023	47	12	2	61
Sep 2023	93	6	0	99
Oct 2023	59	13	0	72
Nov 2023	30	11	1	42
Dec 2023	44	4	1	49
Jan 2024	47	15	3	65
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Jan 2025	9	12	0	21
Feb 2025	31	14	1	46
Mar 2025	18	14	0	32
Apr 2025	7	18	1	26
May 2025	16	16	1	33
Jun 2025	42	15	1	58
Jul 2025	23	10	0	33
Aug 2025	23	25	4	52
Sep 2025	17	18	1	36
Oct 2025	30	32	1	63
Nov 2025	20	10	3	33

Latest update: 07 Nov 2025

Short summary

In this study the BMJ scheme, a convective adjustment scheme where temperature and humidity are relaxed towards reference profiles, as implemented in the WRF model version 3.3.1, is modified so that the precipitation produced by the model is in better agreement with that observed as given by the Tropical Rainfall Measuring Mission (TRMM) 3B42 data set. The "modified BMJ" scheme gives a better representation of the observed rainfall for the whole tropics in both winter and summer seasons.