• For expanded table view with major model changes click  Expand/collapse the table  below
  • For detailed  model description click the centre name in the 1st column
  • For official model changes documentation follow the link in the last column

Expanded view with major model changes

Centre (MARS origin)

Model versionImplement. date

Time range

[Days/Hours]

Resolution (original)

Resolution (original)

[km]

Resolution (archived)

[° ]

Ens. Size

High-res.? *1

Runs [UTC]

Ensemble assimilation methodPerturbed Obs.?Perturbed initial cond.?Model uncertainty?Size of 1 run [GB]Official model changes link
BoM (ammc)

d 0-10

0,45 x 0.5 (800 x 600)17
0/6/12/18



23.5
CMA (babj)

d 0-150.5° x 0.5°50as original30
0/12



41
CPTEC (sbsj)

d 0-150.9375° x 0.9375° ( 384 x 192, GG ) 104as original15
0/12



7
DWD (edzw)

h 0-180R2B06 L90400.5 x 0.5  (720 x 361)40yes0/1278




ECCC (cwao)

d 0-16Yin-Yang grid391 x 1 (360 x 181)21yes0/12



4
ECMWF  (ecmf) CY48R1 27/06/2023 d 0-15

O1280 L137

9O64051yes0/124DVaryesyesyes1100link

 CY47R1 30/06/2020 d 0-15

O640 L91

16as original51
0/124DVaryesyesyes710link

CY41R208/03/2016d 0-15

O640 L91

16as original51
0/124DVaryesyesyes
link

CY40R119/11/2013d 0-15O640 L9116as original51
0/124DVaryesyesyes
link

CY36R126/01/2010d 0-15

T639 (T319 after day 10) L62

32 (64)as original51
0/124DVaryesyesyes
link

CY30R101/02/2006d 0-15T399 L6260as original51
0/124DVaryesyesyes
link
IMD (vabb)

d 0-10T1534 L64 (3072 x 1536 RGG)120.12 x 0.12 (3000 x 1501)21cf0/12



242
JMA (rjtd)

d 0-11

1.25° x 1.25° (288 x 145, TL479 L100)

139as original27
0/12



4.7
KMA (rksl)

d 0-100.3° x 0.45° (800 x 600)33as original25yes0/12



52
M-F (lfpw)

h 0-72/0-108TL538 L60 c2.415-87**

1.5 x 1.5 (240 x 121)

35cf6/18



0.8/1.2
NCEP (kwbc)

d 0-16TL1534/382 (after day 10) L64 12/551 x 1 (360 x 181)21
0/6/12/18



5.1
NCMRWF (dems)

d 0-100.117° x 0.175° (ACG, N1024)130.18 x 0.12 (2000 x 1501)12cf0/12



268
UKMO (egrr)

h 0-174

0.187° x 0.28125°

(1280 x 960, ACG, N640)

21as original18
0/6/12/18



63

Current model details


Model versionImplement. date

Time range

[Days/Hours]

Resolution (original)

Resolution (original)

[km]

Resolution (archived)

[° ]

Ens. Size

High-res.? *1

Runs [UTC]

Ensemble assimilation methodPerturbed Obs.?Perturbed initial cond.?Model uncertainty?Size of 1 run [GB]Official model changes link
BoM (ammc)

d 0-10

0,45 x 0.5 (800 x 600)17
0/6/12/18



23.5
CMA (babj)

d 0-150.5° x 0.5°50as original30
0/12



41
CPTEC (sbsj)

d 0-150.9375° x 0.9375° ( 384 x 192, GG ) 104as original15
0/12



7
DWD (edzw)

h 0-180R2B06 L90400.5 x 0.5  (720 x 361)40yes0/1278




ECCC (cwao)

d 0-16Yin-Yang grid391 x 1 (360 x 181)21yes0/12



4
ECMWF (ecmf)CY48R127/06/2023d 0-15

O1280 L137

9O64051yes0/124DVaryesyesyes1100link
IMD (vabb)

d 0-10T1534 L64 (3072 x 1536 RGG)120.12 x 0.12 (3000 x 1501)21cf0/12



242
JMA (rjtd)

d 0-11

1.25° x 1.25° (288 x 145, TL479 L100)

139as original27
0/12



4.7
KMA (rksl)

d 0-100.3° x 0.45° (800 x 600)33as original25yes0/12



52
M-F (lfpw)

h 0-72/0-108TL538 L60 c2.415-87**

1.5 x 1.5 (240 x 121)

35cf6/18



0.8/1.2
NCEP (kwbc)

d 0-16TL1534/382 (after day 10) L64 12/55 1 x 1 (360 x 181)21
0/6/12/18



5.1
NCMRWF (dems)

d 0-100.117° x 0.175° (ACG, N1024)130.18 x 0.12 (2000 x 1501)12cf0/12



268
UKMO (egrr)

h 0-174

0.187° x 0.28125°

(1280 x 960, ACG , N640)

21 as original 18
0/6/12/18



63
  • GG = Gaussian grid
  • RGG = reduced Gaussian grid
  • ACG = Arakawa C grid
  • ORGG = octahedral reduced Gaussian grid
  • SV = sigular vector
  • SSPT = stochastically perturbed physics tendencies
  • ** because of the stretching (2.4) the horizontal resolution ranges from 15 (over France) to 87 km depending on the location
  • *1 it has been agreed to provide if possible the additional high resolution forecast outputs (type=fc in MARS) interpolated to the same resolution as ensemble