| Part I. Deterministic Models | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Country | Model | Mesh size (km) |
Number of gridpoints |
Number of levels |
Initial times & Forecast ranges (h) |
Type of data assimilation (DA) |
Model providing LBC data |
LBC update interval (h) |
Computer | Status updated | ||
| MetCoOp (Finland, Norway, Sweden, Estonia) |
HARMONIE-AROME | MNWC | 2.5 | 960×1080 | 65 | 00/01/02..22/23 | +12h | 3DVAR rapid refresh | MEPS‑det/ MetCoOp |
1h | Atos BullSequana XH2000 (Estonia, Finland, Norway, Sweden) |
September 2023 |
| UWC-West (Denmark, Iceland, Ireland, Netherlands) |
HARMONIE-AROME | DINI | 2 | 1920×1620 | 90 | 1-hourly | +60h | 3D Var | ECMWF IFS | 1h | HPE Apollo 2000 | Feb 2026 |
| HARMONIE-AROME | IG | 2 | 1350×1600 | 90 | 00/03/06/.../18/21 | +72h | 3D Var | ECMWF IFS | 1h | Feb 2026 | ||
| Denmark | HARMONIE-AROME | TAS (Tasiilaq) | 0.75 | 400×400 | 90 | 00/06/12/18 | +60h | Surf DA | UWC-IG | 1h | Feb 2026 | |
| NUUK (Nuuk) | 0.75 | 600×800 | ||||||||||
| SGL (South Greenland) | 0.75 | 600×480 | ||||||||||
| DB (Biskobugt | 1.0 | 480×600 | 90 | on-demand | +60h | Surf DA | ECMWF/IFS | 1h | Feb 2026 | |||
| SC (Scoresbysund) | 1.0 | 480×600 | ||||||||||
| QAAN (Qaanaq) | 0.75 | 400×400 | ||||||||||
| Ireland | HARMONIE-AROME | 2.5 | 1000×900 | 65 | 00/03/06/../18/21 | +54h | 3D-Var | IFS-HRES | 1h | ECMWF and KNMI HPCF | September 2023 | |
| Netherlands | HARMONIE-AROME | BES | 2.5 | 1728×1296 | 65 | 00/03/06/../18/21 | +72h | Surf ana only | ECMWF/IFS | 1h | Feb 2026 | |
| HARMONIE-AROME | LVNL | 2.5 | 800×800 | 65 | 1-hourly | +72h | 3D-VAR | ECMWF/IFS | 1h | Feb 2026 | ||
| Norway | AROME Arctic | 2.5 | 750×960 | 65 | 00/03/21 | +66h | 3D-VAR | ECMWF/IFS | 3h | Linux Cluster with Intel Xeon Gold model 6130 | September 2023 | |
| Spain | HIRLAM | ONR | 17 | 582×424 | 40 | 00/06/12/18 | +72h | 3D-VAR | ECMWF/IFS | 3h | Bullx Ivy Bridge | September 2023 |
| Iberia | 5.5 | 606×430 | +36h | |||||||||
| Canarias | ||||||||||||
| HARMONIE AROME | Iberia | 2.5 | 1152×864 | 65 | 00/06/12/18 03/09/15/21 |
+48h +12h |
3D-VAR | ECMWF/IFS | 1h | |||
| Canarias | 576×480 | |||||||||||
| Austria | AROME-RUC | 1.2 | 900×576 | 90 | 1-hourly | +12h | 3DVAR + LHN, surface OI | AROME‑AUT | 1h | HPE Apollo 8600 | September 2023 | |
| AROME-AUT | 2.5 | 600×432 | 90 | 00/03/06/../18/21 | +48h | 3DVAR surface OI | ECMWF/IFS HRES |
1h | ||||
| Belgium | ALARO | 4 | 432×432 | 87 | 00/06/12/18 | +60h | none | 3-hourly LBC's from ARPEGE | 3h | SGI cluster XEON E5-2680V3, 2688 cores | September 2023 | |
| 1.3 | 600×600 | 87 | 00/06/12/18 | +36h | none | nested in the 4km run | 3h | |||||
| Bulgaria | ALADIN | 5 | 256×200 | 105 | 00/06/12/18 | +72h | none | ARPEGE | 3h | Linux Cluster | September 2023 | |
| AROME | 2.5 | 320×240 | 90 | 06/18 | +48h | none | ALADIN | 1h | ||||
| Croatia | ALARO | 4 | 469×421 | 73 | 00/06/12/18 | +72h | surface OI upper-air 3D-Var |
ECMWF/IFS | 3h | SGI UV 2000 48 Intel Xeon E5 6-core 2,9GHz CPUs with 288 cores |
September 2023 | |
| ALARO | 2 | 439×439 | 87 | 00/12 | +72h | none | ALARO 4 | 1h | ||||
| HRDA | 2 | 439×439 | 32 | 00/06/12/18 | +72h | none | Dynamical adaptation for wind | 1h | ||||
| Czech Rep. | ALARO | 2.3 | 1080×864 | 87 | 00/06/12 18 |
+72h +54h |
Blend Var (Digital filter blending + 3D-VAR) |
ARPEGE | 3h | NEC-LX, 320 nodes, 7680 cores, 64GB per node, 1Pbyte Lustre fast storage |
September 2023 | |
| France | ARPEGE | 5.1-France 24-Antipode |
global | 105 | 00 06 12 18 |
+102h +102h +102h +102h |
4D-VAR; 6h | - | - | Bull Sequana XH2000, AMD EPYC 7742 |
Feb 2026 | |
| AROME-France-IFS | 1.3 | 1440×1536 | 90 | 00 06 12 18 |
+51h +51h +51h +51h |
Dynamical Adaptation coupled with IFS |
ECMWF/IFS | 1h | ||||
| AROME-France | 1.3 | 1440×1536 | 90 | 00/03/06/../18/21 | +51h | 3DEnVar | ARPEGE | 1h | ||||
| AROME-NWC | 1.3 | 1440×1536 | 90 | 1-hourly | +6h | 3D-VAR | ARPEGE | 1h | ||||
| France Overseas |
AROME | Indian | 1.3 | 3072×1728 | 90 | 00/06/12/18 | +51h (+78h on demand) |
Dynamical adaptation | ECMWF/IFS | 1h | ||
| Polynesia | 1200×1200 | |||||||||||
| Caledonia | 1200×1200 | |||||||||||
| Guyana | 1000×768 | |||||||||||
| Antilles | 2250×1296 | |||||||||||
| Hungary | ALARO | 8 | 349×309 | 49 | 00/12 06 18 |
+60h +48h +36h |
surface OI 3D-VAR |
ECMWF/IFS | 3h | HPE Apollo 6000 server | September 2023 | |
| AROME | 2.5 | 490×310 | 60 | 00/06/12/18 03/09/15/21 |
+48h +36h |
3D-VAR, SEKF | ECMWF/IFS | 1h | ||||
| Poland | ALARO | 4 | 789×789 | 60 | 00/06/12 18 |
+66h +60h |
none | ARPEGE | 3h | Linux cluster (194xIntel Xeon E5-2690 CPUs) |
September 2023 | |
| AROME | 2 | 799×799 | 60 | 00/06/12/18 | +30h | none | ALARO (4km) | 1h | ||||
| Portugal | AROME | Mainland | 2.5 | 540×480 | 46 | 00/12 | +48h | none | ARPEGE | 3h | IBM Power7+ (8+1 nodes) |
September 2023 |
| Azores | 2.5 | 259×349 | ||||||||||
| Madeira | 2.5 | 189×181 | ||||||||||
| Romania | ALARO | 6.5 | 240×240 | 60 | 00/12 06/18 |
+78h +54h |
none | ARPEGE | 3h | Lenovo ThinkSystem | Feb 2026 | |
| ALARO | 4 | 600×432 | 60 | 00/12 06/18 |
+78h +54h |
none | ARPEGE | 3h | ||||
| Slovakia | ALARO | 4.5 | 625×576 | 87 | 00 06/12/18 |
+102h +72h |
BlendVar upper-air DA + CANARI surface DA | ARPEGE | 3h | NEC-LX HPC | March 2026 | |
| ALARO | 2 | 512×384 | 87 | 00/12 | +84h | none (IC: A-LAEF CNTRL) |
ECMWF | 3h | ||||
| Slovenia | ALARO | 4.4 | 421×421 | 87 | 00/06/12/18 03/09/15/21 |
+72h +36h |
surface OI, 3DVAR (3h) | ECMWF/IFS | 3h | SGI ICE-X (1284 cores) | September 2023 | |
| Turkey | ALARO | 4.5 | 439×705 | 60 | 12 00/06/18 |
+60h +72h |
none | ARPEGE | 3h | SGI Ice-X (E5 2690v4,4032 cores) | September 2023 | |
| AROME | 1.7 | 629×1589 | 60 | 00/06/12/18 | +48h | none | ALARO | 1h | ||||
| Germany | ICON | 13 | global 2-way nest |
120 | 00/12 06/18 03/09/15/21 |
+180h +120h +51h |
EnVar, 3h | - | - | NEC SX-Aurora Tsubasa | Feb 2026 | |
| ICON-EU | 6.5 | 74 | ||||||||||
| ICON-D2 | 2.1 | 542040 ~1430×1570km |
65 | 00/03/06/.../18/21 | +48h | 4D-LETKF, 1h (control run) |
ICON-EU | 1h | ||||
| ICON-RUC | 2.1 | 542040 ~1430×1570km |
65 | 1-hourly | +14h | 4D-LETKF, 1h (control run) |
ICON-EU | 1h | ||||
| ICON-D05 | 0.5 | 2857428 ~800×924km |
65 | 00/03/06/.../18/21 | +48h | ICON-D2 analysis | two-way nest in ICON-D2 configuration |
1h | ||||
| Greece | ICON | 2.5 | 2017548 | 65 | 00/12 | +72h | none | ECMWF/IFS | 1h | hpc ECMWF | Feb 2026 | |
| Israel | COSMO | 2.8 | 561×401 | 60 | 00/12/ | +78h | Nudging | ECMWF/IFS | 1h | SGI Linux cluster AMD Opteron Processor 6276 |
September 2023 | |
| Italy | COSMO | ME | 5 | 1083×559 | 45 | 00/06/12/18 | +72h | LETKF | ECMWF/IFS | 3h | HP Cluster Linux (CNMCA)/ATOS (ECMWF) | September 2023 |
| IT | 2.2 | 576×701 | 65 | 00/06/12/18 | +30h/48h | LETKF | ECMWF/IFS | 1h | ||||
| 5M | 5 | 1083×559 | 45 | 00/12 | +72h | LETKF | ECMWF/IFS | 3h | "Galileo100" Linux Cluster (CINECA) | September 2023 | ||
| 2I | 2.2 | 576×701 | 65 | 00/12 03/06/09/15/18/21 |
+48h +18h |
LETKF | COSMO-5M | 1h | ||||
| ICON | IT | 2.2 | 468212 (cells) | 65 | 00/12 | up to +48h | LETKF | ECMWF/IFS | 1h | ATOS (ECMWF) | ||
| Poland | COSMO | PL14 | 14 | 415×460 | 35 | 00/06/12/18 | +82h | none | ICON | 3h | HP Xeon Cluster | September 2023 |
| PL7 | 7 | 380×405 | 40 | 00/06/12/18 | +82h | Nudging | ICON | 3h | ||||
| PL2.8 | 2.8 | 380×405 | 50 | 00/06/12/18 | +48h | Nudging | COSMO-PL7 | 1h | ||||
| Romania | COSMO | Ro7 | 7 | 201×177 | 40 | 00/12 06/18 |
+180h +72h |
Nudging | ICON global | 3h | Lenovo ThinkSystem | Feb 2026 |
| Ro2.8 | 2.8 | 361×291 | 50 | 00/18 06 12 |
+54h +48h +84h |
Nudging | COSMO-Ro7 | 1h | ||||
| ICON | Ro2.8 | 2.8 | 601×361 | 65 | 00/ 12 |
+78h +174h |
none | ICON global | 3h | |||
| Russia | SLAV20 | 20 | global | 51 | 00/12 | +120h +240h |
3D-VAR, 6h |
- | - | SGI ICE 8200 RSC Tornado |
September 2023 | |
| T339L31 | 35 | global | 31 | 00/12 | +72h +240h |
3D-VAR, 6h |
- | - | ||||
| COSMO | Ru13-ENA | 13.2 | 1000×500 | 40 | 00/12 06/18 |
+120h +78h |
none | ICON | 3h | |||
| Ru7 | 7 | 700×620 | 40 | 00/12 06/18 |
+78h +48h |
Nudging | ICON | 3h | ||||
| Ru7-ART | 7 | 135×150 | 40 | 00/ 12 |
+48h +60h |
none | COSMO-Ru7 | 3h | ||||
| RU2 Moscow | 2.2 | 420×470 | 50 | 00/06/12/18 | +42h | Nudging | COSMO-Ru7 | 1h | ||||
| Ru2 Kazan | 2.2 | 420×470 | 50 | 00/06/12/18 | +42h | Nudging | COSMO-Ru7 | 1h | ||||
| Ru2 Sochi | 2.2 | 420×470 | 50 | 00/06/12/18 | +42h | Nudging | COSMO-Ru7 | 1h | ||||
| Ru1 Sochi | 1.1 | 420×470 | 50 | 00/06/12/18 | +42h | Nudging | COSMO-Ru2 | 1h | ||||
| Ru13-SIB | 13.2 | 360×250 | 40 | 00/06/ 12/18 |
+78h +48h |
none | ICON | 3h | SGI Altix 4700 | |||
| United Kingdom | UM | Global | 10 | global | 70 (top 80km) |
00/12 06/18 |
+144h +48h |
Hybrid 4D-VAR | - | - | Cray XC40 | September 2023 |
| Euro4 | 4.4 | 1100×1000 | 70 (top 40km) |
00/12 06/18 |
+120h +60h |
none | UM (Global) | 3h | ||||
| UKV | 1.5 | 950×1015 | 70 (top 40km) |
00/01/02/.../22/23 | +12h,+54h, +120h |
4D-VAR | UM (Global) | 1h | ||||
| Bosnia-Herzegovina | WRR-NMM | D1 | 12 | 164×118 | 50 | 00 | +96h | none | GFS(0.5deg) | 3h | DELL RAK Server POWEREDGE R715 (2 cpu-s each with 16 cores) |
September 2023 |
| D2 | 4 | 158×73 | 50 | 00 | +96h | Nudging | GFS(0.5deg) | 3h | ||||
| WRF-Chemistry | D1 | 33 | 100×65 | 35 | 00 | +48h | none | GFS(0.5deg) | 3h | |||
| D2 | 11 | 52×40 | 35 | 00 | +48h | Nudging | GFS(0.5deg) | 3h | ||||
| NMMB-model | D1 | 24 | 150×100 | 45 | 00 | +120h | none | GFS(0.5deg) | 3h | Linux PC (1 cpu with 8 cores) |
||
| D2 | 6 | 80×65 | 45 | 00 | +120h | none | GFS(0.5deg) | 3h | ||||
| Montenegro | Eta (workstation) | D1 | 25 | 105×171 | 45 | 00 | +72h | none | ECMWF/IFS | 3h | Linux PC | Feb 2026 |
| WRF-NMM_a | D1 | 10 | 200×360 | 40 | 00 | +144h | none | GFS/NCEP | 3h | HP Proliant DL380 (2cpu×12cores) |
||
| D2 | 8 | 80×150 | 40 | 00/12 | +120h | downscale | D1 | 1h | ||||
| D3 | 3 | 100×170 | 40 | 00/12 | +120h | downscale | D2 | 1h | ||||
| WRF-NMM_e | D1 | 3 | 180×280 | 40 | 00/12 | +144h | none | ECMWF/IFS | 3h | HP Proliant DL380 (2cpu×12cores) |
||
| D2 | 1 | 100×250 | 60 | 00/12 | +144h | downscale | D1 | 1h | ||||
| WRF-Chemistry | D1 | 6 | 148×120 | 40 | 00 | +72h | none | ECMWF/IFS | 1h | HP Proliant DL580 G10 (4cpu×18cores) |
||
| D2 | 2 | 148×120 | 40 | 00 | +72h | Nudging | D1 | 1h | ||||
| NMME-DREAM | D1 | 5 | 700×720 | 28 | 00 | +72 | none | ECMWF/IFS | 1h | HP Proliant DL580 G10 (4cpu×18cores) |
||
| D2 | 2 | 450×600 | 40 | 00 | +72h | downscale | D1 | 1h | ||||
| NMMBa | D1 | 7 | 290×290 | 50 | 18/00 | +144h | none | GFS/NCEP | 1h | HP P. DL380 (2cpu×24cores) |
||
| NMMBe | D1 | 3.5 | 270×270 | 50 | 00/12 | +144h | none | ECMWR/IFS | 1h | HP P. DL380 (2cpu×24cores) |
||
| Serbia | WRF-ARW | 4.25 | 350×250 | 50 | 00/12 | +72h | none | ECMWF/IFS | 3h | HP Proliant DL380 G7, 384 Intel Xeon | September 2023 | |
| ETA | 26 | 145×241 | 32 | 00/12 | +120h | none | ICON | 6h | Linux PC | |||
| WRF-NMM | 4 | 220×290 | 45 | 00/12 | +72h | none | ECMWF/IFS | 3h | HP XC 256 Xeon | |||
| 12 | 260×500 | 38 | 00/12 | +120h | none | ICON | 3h | HP XC 256 Xeon | ||||
| 12 | 260×500 | 38 | 00/12 | +192h | none | GFS | 3h | |||||
| NMMB | 30 | global | 64 | 00/12 | +120h | none | none (global) | - | HP Proliant DL380 G7, 384 Intel Xeon | |||
| 12 | 394×356 | 64 | 00/12 | +120h | none | NMMB global | 3h | |||||
| 4 | 306×267 | 64 | 00/12 | +72h | none | NMMB (12km, online nested) | - | |||||
| 4 | 512×390 | 64 | 00/12 | +72h | none | ECMWF/IFS | 3h | ATOS ECMWF | ||||
| Cyprus | WRF-ARW | D1 | 18 | 64×49 | 60 | 00/12 | +120h | none | NCEP/GFS | 3h | IBM iDataPlex dx360 M3 (Cyprus Inst. Cy-Tera HPC) |
September 2023 |
| D2 | 6 | 49×34 | 60 | 00/12 | +120h | none | NCEP/GFS | 3h | ||||
| D3 | 2 | 88×55 | 60 | 00/12 | +120h | none | NCEP/GFS | 3h | ||||
| ECMWF | IFS | 9 | global | 137 | 00/12 06/18 |
+240h +90h |
Hybrid 4D-Var, weak-constraint, contin. DA: control run | - | - | ATOS BullSequana XH2000 | March 2026 | |
Part II. Ensemble Prediction Systems | ||||||||||||
| Country | Model | Mesh size (km) |
Number of gridpoints |
Number of levels |
Initial times & Forecast ranges (h) |
Type of data assimilation (DA) and perturbations |
Model providing LBC data |
LBC update interval (h) |
Number of EPS members |
Computer | Status Updated | |
| MetCoOp (Finland, Norway, Sweden, Estonia) |
HARMONIE-AROME | 2.5 | 900×960 | 65 | 00/06/12/18 | +54h | 3D-VAR | IFS HRES | 1h | 1+10 | Cray XC30 (Finland) Linux Haswell cluster (Sweden) Linux Sandy Bridge cluster (Norway) |
September 2023 |
| UWC-West (Denmark, Iceland, Ireland, Netherlands) |
HARMONIE-AROME (DINI) | 2 | 1920×1620 | 90 | 1-hourly | +60h | 3D Var/ Stochastic phys |
ECMWF IFS | 1h | 1+5 every hour, 1+30 every 6h |
HPE Apollo 2000 | Feb 2026 |
| Ireland | HARMONIE-AROME | 2.5 | 1000×900 | 65 | 00/03/06/.../18/21 | +54h | 3D-VAR (atm): perturbed obs; LBC: SLAF; Surface: perturbed IC |
IFS-HRES | 1h | 1+15, (lagged) |
ECMWF and KNMI HPCF | September 2023 |
| Spain | Harmonie: AROME and ALARO WRF: ARW and NMMB |
2.5 | 576×480 | 65/72 | 00/12 | +36h | downscaling of ECMWF GFS, CMC, JMA, MF |
ECMWF, GFS, CMC, JMA, MF |
3h/1h | 20 | September 2023 | |
| Austria | C-LAEF | 2.5 | 600×432 | 90 | 00/03/06/.../18/21 | +60h for 00/12 +03h for others |
atmosphere: ENS 3DVAR, SPP for atmosphere; surface: SPPT |
ECMWF ENS | 3h | 16+1 | Atos Sequana XH2000 AMD (ECMWF) |
September 2023 |
| France | PEARP (ARPEGE EPS) |
5.1 - France 24 - Antipode |
global | 105 | 00/06/12/18 | +102h | IC pert. from Arpege-EDA + SV; RPP (random param. pert.) + 2 deep convection schemes |
- | - | 34+1 | Feb 2026 | |
| PEARO (AROME EPS) |
1.3 | 1440×1536 | 90 | 03/09/15/21 | +51h | IC pert. from an AROME-EDA, added to AROME-1.3km atmos. analysis;
Model errors: SPPT, perturbed parameters of AROME surface analysis. |
PEARP | 1h | 25+1 | |||
| FRANCE-Overseas AROME-EPS |
2.5 | - | - | 00/12 Antilles 00/12 Guyana 00/18 India 06/18 Polynesia 06/18 Caledonia |
+48h (+78h on demand) |
use of IFS as unperturbed IC; initial + boundary pert. from ARPEGE-EPS; Model errors: SPPT, perturbed surface + ocean layers | ARPEGE-EPS, ARPEGE | - | 15+1 | |||
| Hungary | AROME | 2.5 | 490×310 | 60 | 00/12 | +48h | Type of DA + pert.: IC from AROME-EDA | ECMWF EPS | 1h | 10+1 | HPE Apollo 6000 | September 2023 |
| Slovakia (run for LACE with SBUs by Slovenia, Croatia, Turkey) |
ALADIN-LAEF | 4.8 | 1250×750 | 60 | 00/12 | +72h | ESDA (ensemble surface DA) + upper-air spectral blending by DFI, ALARO-1 multiphysics (4 clusters) + surface SPPT |
ECMWF EPS (via c903) |
6h | 16+1 | Atos Sequana XH2000 AMD (ECMWF) | September 2023 |
| Germany | ICON-EPS | 26 | global 2-way nest |
120 | 00/12 06/18 03/09/15/21 |
+180h +120h +51h |
IC from global LETKF perturbed SST, RPP |
- | - | 40 | NEC SX-Aurora Tsubasa | Feb 2026 |
| ICON-EU-EPS | 13 | 74 | ||||||||||
| ICON-D2-EPS | 2.1 | 542040 ~1430×1570km |
65 | 00/03/06/.../18/21 | +48h | 4D-LETKF (40 mem, RPP, perturbed SST + soil moisture); RPP | ICON-EU-EPS | 1h | 20 | |||
| ICON-RUC-EPS | 2.1 | 542040 ~1430×1570km |
65 | 1-hourly | +14h | 4D-LETKF (40 mem, RPP, perturbed SST + soil moisture); RPP | ICON-EU-EPS | 1h | 40 | |||
| Italy (for COSMO) |
COSMO-LEPS | 7 | 511×415 | 40 | 00/12 | +132h | Interpolation from ECMWF EPS + soil analysis fields from ICON EU |
ECMWF EPS | 3h | 20 | September 2023 | |
| Italy | COSMO-ME EPS | 7 | 779×401 | 45 | 00/12 | +72h | LETKF | ECMWF EPS | 3h | 20 | ||
| COSMO-IT EPS | 2.2 | 576×701 | 65 | 00 | +48h | LETKF | ECMWF EPS | 3h | 20 | |||
| COSMO-2I EPS | 2.2 | 576×701 | 65 | 21 | +51h | LETKF | COSMO-ME EPS | 3h | 20 | |||
| Poland | COSMO (PL 2.8) | 2.8 | 380×405 | 50 | 00/06/12/18 | +48h | IC from time-lagged deterministic COSMO PL7 perturbed by soil data parameters | time-lagged COSMO PL7 |
1h | 20 | September 2023 | |
| Switzerland | COSMO-2E | 2.2 | 538×346 | 60 | 00/06/12/18 | +120h | upscaled from COSMO-1E | ECMWF/IFS-ENS | IFS-ENS after 3h | 21 | September 2023 | |
| COSMO-1E | 1.1 | 1075×691 | 80 | 00/03/06/.../18/21 | +33h (+45h at 03 UTC) |
LETKF | ECMWF/IFS-ENS | IFS-ENS and HRES after 3h |
11 | |||
| United Kingdom | MOGREPS-G | 20 | global | 70 | 00/06/12/18 | +168h | En-4DEnVar | - | - | 36 (lagged 18/6hrs) | Cray XC40 | September 2023 |
| MOGREPS-UK | 2.2 | 740×752 | 70 | 03/09/15/21 | +54h | UKV analysis with downscaled perturbations | MOGREPS-G | 1h | 18 (lagged 3/hr) | Cray XC40 | ||
| ECMWF | IFS EPS | 9 | TCO1279L137 | 137 | 00/12 06/18 |
+360h +144h |
Hybrid 4D-Var, weak-constraint, continuous DA (EDA 50 mem) | - | - | 50+1 | ATOS BullSequana XH2000 | March 2026 |