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Expanded view with major model changes

(in bold the changes from the previous model set up)

	Model version	Implement. date in S2S	Time range	Resolution	Ens. Size *7	Frequency	Re-forecasts	Rfc period	Rfc frequency	Rfc size *7	Ocean resolution	Active Sea Ice	Remarks
BoM (ammc)	POAMA P24	01/01/2015	d 0-62	T47 L17	32+1	2/week (Thu, Sun)	fixed	1981-2013 (model version date 01/01/2014)	6/month (always on the 1st, 6th, 11th, 16th, 21st and 26th)	32+1	2° x 0.5° L25	no
CMA (babj)	BCC-CPS-S2Sv2	11/11/2019	d 0-60	T266 L56	3+1	2/week (Mon, Thu)	on the fly	past 15 years	2/week (Mon, Thu)	3+1	0.25°	No	additional ocean parame ters added since 11 Nov 2019
	BCC-CPS-S2Sv1	01/01/2015	d 0-60	T106 L40	3+1	daily	fixed	1994-2014 (model version date 01/05/2014)	daily	3+1	1°	No
CNR-ISAC (isac)	GLOBO	14/05/2024	d 0-32 (d 0-35)	0.75x0.56 L54	40+1	weekly (Thu)	fixed	2001-2020 (model version date 16/10/2023)	every 5 days (the same days each Rfc year *1)	7+1	N/A	N/A	New reforecast time range is now 0-35 days (the same realtime output extension will follow)
	GLOBO	08/06/2017	d 0-32	0.75° x 0.56° L54	40+1	weekly (Thu)	fixed	1981-2010 (model version date 08/06/2017)	every 5 days (the same days each Rfc year *1)	4+1	N/A	N/A
	GLOBO	19/01/2017	d 0-31	0.75° x 0.56° L54	40+1	weekly (Thu)	fixed	1981-2010 (model version date 03/26/2015)	every 5 days (the same days each Rfc year *1)	1 (type=cf only)	N/A	N/A
	GLOBO	09/11/2015	d 0-31	0.75° x 0.56° L54	40+1	weekly (Mon)	fixed	1981-2010 (model version date 03/26/2015)	every 5 days (the same days each Rfc year *1)	1 (type=cf only)	N/A	N/A
CNRM (lfpw)	CNRM-CM 6.1	22/10/2020	d 0-47	T359 L91	25	weekly (Thu)	fixed	1993-2017 (model version date 01/07/2019)	every 7 days (starting from 31/12/1992 *2)	10	0.25° L75	yes	additional ocean parameters added since 22 Oct 2020
	CNRM-CM 6.0	01/03/2016	d 0-32	T255 L91	51	weekly (Thu)	fixed	1993-2014 (model version date 01/12/2014)	4/month (always on the 1st, 8th, 15th and 22nd *2)	15	1° L42	yes
CPTEC (sbsj)	BAM-1.2	13/12/2023	d 0-35	TQ126 L42	11	2/week (Wed, Thu)	fixed	1999-2018 (model version date 04/01/2023)	every 7 days (starting from 06/01/1999)	11	N/A	N/A
ECCC (cwao)	GEPS 8	1113/06/2024	d 0-39	Yin-Yang grid at 0.25° uniform resolution (~25 km) L85	20+1	2/week (Mon, Thu)	on the fly	2001-2020	2/week (Mon, Thu)	3+1	0.25° L50	yes	additional ocean parameters added since 06 Feb 2020
	GEPS 7	02/12/2021	d 0-32	Yin-Yang grid at 0.35° uniform resolution (~39 km) L85	20+1	weekly (Thu)	on the fly	2001-2020	weekly (Thu)	3+1	0.25° L50	yes
	GEPS 6	04/07/2019	d 0-32	Yin-Yang grid at 0.35° uniform resolution (~39 km) L45	20+1	weekly (Thu)	on the fly	1998-2017	weekly (Thu)	3+1	0.25° L50	yes
	GEPS 5	20/09/2018	d 0-32	Yin-Yang grid at 0.35° uniform resolution (~39 km) L45	20+1	weekly (Thu)	on the fly	1998-2017	weekly (Thu)	3+1	N/A	N/A
	GEPS 4	07/01/2016	d 0-32	0.45x0.45 L40	20+1	weekly (Thu)	on the fly	1995-2014	weekly (Thu)	3+1	N/A	N/A
ECMWF (ecmf)	CY48R1	27/06/2023	d 0-46	Tco319L137 (about 32 km)	100+1	daily	on the fly	past 20 years	2/week (Mon/Thu)	10+1	1/4 degree	Yes
	CY47R3	13/10/2021	d 0-46	Tco639 L137 (about 16 km) up to day 15 and Tco319 (about 32 km) after day 15	50+1	2/week (Mon, Thu)	on the fly	past 20 years	2/week (Mon, Thu)	10+1	0.25°	yes
	CY47R2	11/05/2021	d 0-46	Tco639 L137 (about 16 km) up to day 15 and Tco319 (about 32 km) after day 15 day 15	50+1	2/week (Mon, Thu)	on the fly	past 20 years	2/week (Mon, Thu)	10+1	0.25°	yes
	CY47R1	30/06/2020	d 0-46	Tco639 L91 (about 16 km) up to day 15 and Tco319 (about 32 km) after day 15 day 15	50+1	2/week (Mon, Thu)	on the fly	past 20 years	2/week (Mon, Thu)	10+1	0.25°	yes	6-hourly 10u/v added since 26 Nov 2020
	CY43R1	22/11/2016	d 0-46	Tco639 L91 (about 16 km) up to day 15 and Tco319 (about 32 km) after day 15 day 15	50+1	2/week (Mon, Thu)	on the fly	past 20 years	2/week (Mon, Thu)	10+1	0.25°	Yes	additional ocean parameters added since 02 Jan 2020
	CY41R2	08/03/2016	d 0-46	Tco639 L91 (about 16 km) up to day 15 and Tco319 (about 32 km) after day 15 day 15	50+1	2/week (Mon, Thu)	on the fly	past 20 years	2/week (Mon, Thu)	10+1	1°	No
	CY41R1	14/05/2015	d 0-46	TL639 L91 (about 32 km) up to day 10 and TL319 (about 64 km) after day 10	50+1	2/week (Mon, Thu)	on the fly	past 20 years	2/week (Mon, Thu)	10+1	1°	No
	CY40R1	01/01/2015	d 0-32	TL639 L91 (about 32 km) up to day 10 and TL319 (about 64 km) after day 10	50+1	2/week (Mon, Thu)	on the fly	past 20 years	once a week (Thu)	4+1	1°	No
HMCR (rums)	RUMS	15/09/2022	d 0-46	0.9° x 0.72° L96	40+1	weekly (Thu)	on the fly	1991-2015	weekly (Thu)	10+1	N/A	N/A	6-hourly 10u/v added since 15 Sept 2022 added 10 hPa pressure level since 15 Sept 2022
	RUMS	01/07/2021	d 0-61	1.1° x 1.4° L28	19+1	weekly (Thu)	on the fly	1990-2015	weekly (Thu)	9+1	N/A	N/A
	RUMS	08/06/2017	d 0-61	1.1° x 1.4° L28	19+1	weekly (Thu)	on the fly	1985-2010	weekly (Thu)	9+1	N/A	N/A
	RUMS	07/01/2015	d 0-61	1.1°x 1.4° L28	19+1	weekly (Wed)	on the fly	1985-2010	weekly (Wed)	9+1	N/A	N/A
IAP- CAS (anso)	CAS-FGOALS-f2-V1.3	2021/09/12	d 0-65	C96 L32	16	daily	fixed	1999-2018 (model version date 01/01/2019)	daily	4	1° L60	yes
JMA (rjtd)	CPS3	19/02/2023	d 0-34	Tl319L100	4+1	daily	fixed	1991-2020 (model version date 30/09/2022)	2/month *(3)**	4+1	0.25° L60	yes	6-hourly 10u/v added since 19 Feb 2023 the new reforecast set (model version date 30/09/2022) to be added soon
	GEPS2203	15/03/2022	d 0-34	Tq479/Tq319L128 (about 40/55 km)	49+1	weekly (Wed) lagged eps created from 2 runs (*5)	fixed	1991-2020 (model version date 31/03/2022)	2/month (always on the 15th and the last day of month *3)	12+1	N/A	N/A
	GEPS2103	30/03/2021	d 0-34	Tl479/Tl319 L128 (about 40/55 km)	49+1	weekly (Wed) lagged eps created from 2 runs (*5)	fixed	1981-2020 (model version date 31/03/2021)	2/month (always on the 15th and the last day of month *3)	12+1	N/A	N/A
	GEPS2003	24/03/2020	d 0-34	Tl479/Tl319 L100 (about 40/55 km)	49+1	weekly (Wed) lagged eps created from 4 runs (*4)	fixed	1981-2010 (model version date 31/03/2020)	2/month (always on the 15th and the last day of month *3)	12+1	N/A	N/A
	GEPS1701	22/03/2017	d 0-34	Tl479/Tl319 L100 (about 40/55 km)	49+1	weekly *(Wed) lagged eps created from 4 runs (4)**	fixed	1981-2012 (model version date 31/01/2017)	3/month (always on the 10th, 20th and the last day of month *3)	4+1	N/A	N/A
	GSM1403C	06/01/2015	d 0-34	Tl319 L60 (about 55 km)	24+1	2/week (Tue, Wed)	fixed	1981-2010 (model version date 04/03/2014)	3/month (always on the 10th, 20th and the last day of month *3)	4+1	N/A	N/A
KMA (rksl)	GloSea6-GC3.2	01/06/2023	d 0-60	N216 L85 (0.83° x 0.56°, about 60 km in mid latitudes)	8	daily	on the fly	1993-2016	4/month (always on the 1st, 9th, 17th and 25th)	7		yes	9 ocean parameters added change applied to the reforecasts since17 Aug 2023
	GloSea6-GC3.2	22/02/2022	d 0-60	N216 L85 (0.83° x 0.56°, about 60 km in mid latitudes)	4	daily	on the fly	1993-2016	4/month (always on the 1st, 9th, 17th and 25th)	3	0.25° L75	yes	6-hourly 10u/v added since 22 Feb 2022 q added to all pressure levels since 22 Feb 2022
	GloSea5-GC2	01/09/2020	d 0-60	N216 L85 (0.83° x 0.56°, about 60 km in mid latitudes)	4	daily	on the fly	1991-2016	4/month (always on the 1st, 9th, 17th and 25th)	3	0.25° L75	yes	Nine additional parameters allowing computing MJO indices added since 01 Aug 2020 to the real-time data and since 01 Sept 2020 to the reforecasts.
	GloSea5-GC2	01/11/2016	d 0-60	N216 L85 (0.83° x 0.56°, about 60 km in mid latitudes)	4	daily	on the fly	1991-2010	4/month (always on the 1st, 9th, 17th and 25th)	3	0.25° L75	yes
NCEP (kwbc)	CFSv2	10/03/2015	d 0-44	T126 L64 (about 100 km)	15+1	daily	fixed	1999-2010 (model version date 01/03/2011)	daily	3+1	0.5° x 0.25° L40 varying resolution (*6)	yes
UKMO (egrr)	GloSea6	02/02/2021	d 0-60	N216 L85	4	daily	on the fly	1993-2016	4/month	7	0.25° L75	yes
	GloSea5-GC2-LI	03/04/2019	d 0-60	N216 L85 0.83° x 0.56° (approx 60km in mid-latitudes)	4	daily	on the fly	1993-2016	4/month (always on the 1st, 9th, 17th and 25th)	7	0.25° L75	yes	reforecasts changed to the new model version since 09 Apr 2019
	GloSea5	01/09/2018	d 0-60	N216 L85 0.83° x 0.56° (approx 60km in mid-latitudes)	4	daily	on the fly	1993-2016	4/month (always on the 1st, 9th, 17th and 25th)	7	0.25° L75	yes
	GloSea5	25/03/2017	d 0-60	N216 L85 0.83° x 0.56° (approx 60km in mid-latitudes)	4	daily	on the fly	1993-2015	4/month (always on the 1st, 9th, 17th and 25th)	7	0.25° L75	yes
	GloSea5	17/04/2016	d 0-60	N216 L85 0.83° x 0.56° (approx 60km in mid-latitudes)	4	daily	on the fly	1993-2015	4/month (always on the 1st, 9th, 17th and 25th)	3	0.25° L75	yes
	GloSea5	01/01/2016	d 0-60	N216 L85 0.83° x 0.56° (approx 60km in mid-latitudes)	4	daily	on the fly	1996-2009	4/month (always on the 1st, 9th, 17th and 25th)	3	0.25° L75	yes	on the fly reforecasts added since 01/01/2016
	GloSea5	01/12/2015	d 0-60	N216 L85 0.83° x 0.56° (approx 60km in mid-latitudes)	4	daily					0.25° L75	yes

Remarks

(*1) CNR-ISAC reforecasts are produced always starting from 1 January each reforecast year and then in 5 days intervals but always on the same days each month. For exact list of reforecast days refer to https://apps.ecmwf.int/datasets/data/s2s-reforecasts-daily-averaged-isac/levtype=sfc/type=cf/
(*2) For exact list of CNRM reforecast dates refer to https://apps.ecmwf.int/datasets/data/s2s-reforecasts-instantaneous-accum-lfpw/levtype=sfc/type=cf/
(*3) For exact list of JMA reforecast dates for each model version date refer to https://apps.ecmwf.int/datasets/data/s2s-reforecasts-instantaneous-accum-rjtd/levtype=sfc/type=cf/
(*4) Lagged JMA ensemble created from 4 runs as described in JMA Model#GEPS1701
(*5) Lagged JMA ensemble created from 2 runs as described in JMA Model#GEPS2003
(*6) 0.5° and in the meridional direction, 0.25° from 10°S to 10°N, progressively decreasing to 0.5° from 10° to 30°, and is fixed at 0.5° beyond 30° in both hemispheres
(*7) +1 means that the model produce unperturbed control forecast. In S2S archive for consistency, there is always one ensemble member archived as of type=cf (number=0) even when the model does not have control forecast concept at all

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	Model version	Implement. date in S2S	Time range	Resolution	Ens. Size *7	Frequency	Re-forecasts	Rfc period	Rfc frequency	Rfc size *7	Ocean resolution	Active Sea Ice	Remarks
BoM (ammc)	POAMA P24	01/01/2015	d 0-62	T47 L17	32+1	2/week (Thu, Sun)	fixed	1981-2013 (model version date 01/01/2014)	6/month (always on the 1st, 6th, 11th, 16th, 21st and 26th)	32+1	2° x 0.5° L25	no
CMA (babj)	BCC-CPS-S2Sv2	11/11/2019	d 0-60	T266 L56	3+1	2/week (Mon, Thu)	on the fly	past 15 years	2/week (Mon, Thu)	3+1	0.25°	No	additional ocean parame ters added since 11 Nov 2019
CNR-ISAC (isac)	GLOBO	14/05/2024	d 0-32 (d 0-35)	0.75x0.56 L54	40+1	weekly (Thu)	fixed	2001-2020 (model version date 16/10/2023)	every 5 days (the same days each Rfc year *1)	7+1	N/A	N/A	New reforecast time range is now 0-35 days (the same realtime output extension will follow)
CNRM (lfpw)	CNRM-CM 6.1	22/10/2020	d 0-47	T359 L91	25	weekly (Thu)	fixed	1993-2017 (model version date 01/07/2019)	every 7 days (starting from 31/12/1992 *2)	10	0.25° L75	yes	additional ocean parame ters added since 22 Oct 2020
CPTEC (sbsj)	BAM-1.2	13/12/2023	d 0-35	TQ126 L42	11	2/week (Wed, Thu)	fixed	1999-2018 (model version date 04/01/2023)	every 7 days (starting from 06/01/1999)	11	N/A	N/A
ECCC (cwao)	GEPS 8	1113/06/2024	d 0-39	Yin-Yang grid at 0.25° uniform resolution (~25 km) L85	20+1	2/week (Mon, Thu)	on the fly	2001-2020	2/week (Mon, Thu)	3+1	0.25° L50	yes	additional ocean parameters added since 06 Feb 2020
ECMWF (ecmf)	CY48R1	27/06/2023	d 0-46	Tco319L137 (about 32 km)	100+1	daily	on the fly	past 20 years	2/week (Mon/Thu)	10+1	1/4 degree	Yes	additional ocean parameters added since 02 Jan 2020
HMCR (rums)	RUMS	15/09/2022	d 0-46	0.9° x 0.72° L96	40+1	weekly (Thu)	on the fly	1991-2015	weekly (Thu)	10+1	N/A	N/A	6-hourly 10u/v added since 15 Sept 2022 added 10 hPa pressure level since 15 Sept 2022
IAP- CAS (anso)	CAS-FGOALS-f2-V1.3	2021/09/12	d 0-65	C96 L32	16	daily	fixed	1999-2018 (model version date 01/01/2019)	daily	4	1° L60	yes
JMA (rjtd)	CPS3	19/02/2023	d 0-34	Tl319L100	4+1	daily	fixed	1991-2020 (model version date 30/09/2022)	2/month (always on the 15th and the last day of month *3)	4+1	0.25° L60	yes	6-hourly 10u/v added since19 Feb 2023
KMA (rksl)	GloSea6-GC3.2	01/06/2023	d 0-60	N216 L85 (0.83° x 0.56°, about 60 km in mid latitudes)	8	daily	on the fly	1993-2016	4/month (always on the 1st, 9th, 17th and 25th)	7		yes	6-hourly 10u/v added since 22 Feb 2022 q added to all pressure levels since 22 Feb 2022 9 ocean parameters added since 01 Jun 2023
NCEP (kwbc)	CFSv2	10/03/2015	d 0-44	T126 L64 (about 100 km)	15+1	daily	fixed	1999-2010 (model version date 01/03/2011)	daily	3+1	0.5° x 0.25° L40 varying resolution (*6)	yes
UKMO (egrr)	GloSea6	02/02/2021	d 0-60	N216 L85	4	daily	on the fly	1993-2016	4/month (always on the 1st, 9th, 17th and 25th)	7	0.25° L75	yes	reforecasts changed to the new model version since 09 Apr 2019

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Old Version 137

New Version Current

Key

GEPS 8

GEPS 7

GEPS 6

GEPS 5

GEPS 4

GEPS2203

GEPS2103

GEPS2003

GEPS1701

GSM1403C