EUMETNET-SRNWP Overview of
Operational Numerical Weather Prediction Systems in Europe as of Sept. 2023
(compiled by EUMETNET/C-SRNWP)
Part I Deterministic Models
| Country | Model | Mesh size (km) |
Number of gridpoints |
Number of levels |
Initial times & Forecast ranges (h) |
Type of data assimilation |
Model providing LBC data |
LBC update interval (h) |
Computer | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Denmark | HIRLAM | T15 | 16 | 610 × 568 | 40 | 00/06/12/18 | +60h | 3D-VAR | ECMWF/IFS | 1h | Cray XC30 |
| K05 | 5.5 | 874 × 534 | 40 | 00/06/12/18 | +48h | 3D-VAR | ECMWF/IFS | 1h | |||
| SKA | 3.3 | 874 × 658 | 65 | 00/06/12/18 | +54h | 3D-VAR | ECMWF/IFS | 1h | |||
| HARMONIE | NEA | 2.5 | 1200 × 1080 | 65 | 00/03/06/09/12/15/18/21 | +51h | 3DVAR | ECMWF/IFS | 1h | Cray-XC30 | |
| IGA | 2.5 | 1000 × 800 | 65 | 00/06/12/18 | +54h | Surf-ana only | ECMWF/IFS | 1h | |||
| 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) |
| Iceland | HARMONIE | 2.5 | 300 × 240 | 65 | 00/06/12/18 | +48h | Surf-ana only | ECMWF/IFS | 3h | Cray @ ECMWF | |
| Ireland | HARMONIE-AROME | 2.5 | 1000 × 900 | 65 | 00/03/06/09/12/15/18/21 | +54h | 3D-Var | IFS-HRES | 1h | ECMWF and KNMI HPCF | |
| Netherlands | HIRLAM | CIS (7.2) | 11 | 726 × 550 | 60 | 00/06/12/18 | +48h | 3D-VAR | ECMWF/IFS | 3h | BullX B720 |
| H11 (7.4) | 11 | 306 × 290 | 40 | 00/01/02/../22/23 | +24h | 3D-VAR | ECMWF/IFS | 1h | |||
| HARMONIE | HA40 (40h1.2.tg2) | 2.5 | 800 × 800 | 65 | 00/03/06/../18/21 | +48h | 3D-VAR | ECMWF/IFS | 1h | ||
| BES (40h1.1.1) | 2.5 | 1280 × 810 | 65 | 00/03/06/../18/21 | +48h | blending | ECMWF/IFS | 1h | |||
| WFP_43 (43h22tg3) | 2.5 | 800 × 800 | 65 | 00/03/06/../18/21 | +48h | 3D-VAR | ECMWF/IFS | 1h | |||
| 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 | |
| Spain | HIRLAM | ONR | 17 | 582 × 424 | 40 | 00/06/12/18 | +72h | 3D-VAR | ECMWF/IFS | 3h | Bullx Ivy Bridge |
| 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 | every 1h | +12h | 3DVAR + LHN, surface OI | AROME‑AUT | 1h | HPE Apollo 8600 | |
| AROME-AUT | 2.5 | 600 × 432 | 90 | 00/03/06/09/12/15/18/21 | +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 | |
| 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 | |
| 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 |
|
| ALARO | 2 | 439 × 439 | 87 | 00/12 | +72h | No-assimilation | ALARO 4 | 1h | |||
| HRDA | 2 | 439 × 439 | 32 | 00/06/12/18 | +72h | No-assimilation | 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 |
|
| 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 |
|
| 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 | 00/03/06/12/15/18/21 | +51h | 3D-VAR | ARPEGE | 1h | |||
| AROME-NWC | 1.3 | 1440 × 1536 | 90 | every 1h | +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 | |
| 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) |
|
| 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) |
| Azores | 2.5 | 259 × 349 | none | ARPEGE | 3h | ||||||
| Madeira | 2.5 | 189 × 181 | none | ARPEGE | 3h | ||||||
| Romania | ALARO | 6.5 | 240 × 240 | 60 | 00 06 12 18 |
+78h +54h +66h +54h |
none | ARPEGE | 3h | IBM Linux Cluster | |
| Slovakia | ALARO | 4.5 | 625 × 576 | 63 | 00 06/12 18 |
+78h +72h +60h |
BlendVar upper-air DA + CANARI surface DA | ARPEGE | 3h | NEC-LX HPC | |
| ALARO | 2 | 512 × 384 | 87 | 00/12 | +72h | no assimilation (A-LAEF CNTRL init downscaling) | ECMWF | 3h | |||
| Slovenia | ALARO | 4.4 | 421 × 421 | 87 | 00/06/12/18 03/09/15/21 |
+72h +36h |
surface OI, 3DVAR, 3h RUC | ECMWF/IFS | 3h | SGI ICE-X (1284 cores) | |
| Turkey | ALARO | 4.5 | 439 × 705 | 60 | 12 00/06/18 |
+60h +72h |
none | ARPEGE | 3h | SGI Ice-X (E5 2690v4,4032 cores) | |
| AROME | 1.7 | 629 × 1589 | 60 | 00/06/12/18 | +48h | none | ALARO | 1h | |||
| Germany | ICON | 13 | global 2-way nest |
90 | 00/12 06/18 03/09/15/21 |
+180h +120h +51h |
EnVar, 3h | - | - | NEC SX-Aurora Tsubasa | |
| ICON-EU | 6.5 | 60 | |||||||||
| ICON-D2 | 2.2 | 525072 | 65 | 03/06/.../18/21 | +48h | LETKF, 1h | ICON-EU | 1h | |||
| Greece | COSMO | GR7 | 7 | 649 × 393 | 60 | 00/12 | +72h | none | ECMWF/IFS | 3h | IBM @ ECMWF |
| GR2 | 2.8 | 501 × 401 | 60 | 00/12 | +48h | none | COSMO-GR | 1h | |||
| Israel | COSMO | 2.8 | 561 × 401 | 60 | 00/12/ | +78h | Nudging | ECMWF/IFS | 1h | SGI Linux cluster AMD Opteron Processor 6276 |
|
| Italy | COSMO | ME | 5 | 1083 × 559 | 45 | 00/06/12/18 | +72h | LETKF | ECMWF/IFS | 3h | HP Cluster Linux (CNMCA)/ATOS (ECMWF) |
| 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) | ||
| 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 |
| 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 | 06/18/ 00/ 12 |
+48h +78h +174h |
Nudging | ICON global | 3h | IBM Cluster (Blade Server) |
| RO2 | 2.8 | 361 × 291 | 50 | 00/18/ 06 |
+30h +18h |
Nudging | COSMO-RO7 | 1h | |||
| Russia | SLAV20 | 20 | global | 51 | 00/12 | +120h +240h |
3D-VAR, 6h |
- | - | SGI ICE 8200 RSC Tornado |
|
| 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 |
| 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) |
| 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 | WRF-NMM_a | D1 | 10 | 200 × 360 | 40 | 00 | +120h | none | GFS/NCEP | 3h | HP Proliant DL380 (2 cpu x 12 cores) |
| D2 | 8 | 80 × 150 | 40 | 00 | +120h | Downscale | D1 | 1h | |||
| D3 | 3 | 100 × 170 | 40 | 00 | +120h | Downscale | D2 | 1h | |||
| WRF-NMM_e | D1 | 3 | 180 × 280 | 40 | 00 | +144h | none | ECMWF | 3h | HP Proliant DL380 (2 cpu x 12 cores) |
|
| D2 | 1 | 100 × 250 | 60 | 00 | +144h | Downscale | D1 | 1h | |||
| D3 | 0.8 | 160 × 320 | 60 | 00 | +120h | Downscale | D1 | 1h | |||
| D4 | 0.5 | 120 × 150 | 60 | 00 | +144h | Downscale | D2 | 1h | |||
| WRF-Chemistry | D1 | 6 | 148 × 120 | 40 | 00 | +72h | none | ECMWF | 3h | HP Proliant DL580 G10 (4 cpu x 18 cores) |
|
| D2 | 2 | 148 × 120 | 40 | 00 | +72h | Nudging | D1 | 1h | |||
| NMME-DREAM | D1 | 5 | 700 × 720 | 28 | 00 | +72 | none | ECMWF | 3h | HP Proliant DL580 G10 (4 cpu x 18 cores) |
|
| D2 | 2 | 450 × 600 | 40 | 00 | +72h | Downscale | D1 | 1h | |||
| Serbia | WRF-ARW | 4.25 | 350 × 250 | 50 | 00/12 | +72h | none | ECMWF/IFS | 3h | HP Proliant DL380 G7, 384 Intel Xeon | |
| 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) | - | HP Proliant DL380 G7, 384 Intel Xeon 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 Institute Cy-Tera HPC Facility) |
| 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 |
4D-VAR; using error estimates from EDA |
- | - | IBM/CRAY | |
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 and perturbations |
Model providing LBC data |
LBC update interval (h) |
Number of EPS members |
Computer | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| Denmark | HIRLAM-E05 | 5 | 496 × 372 | 40 | 00/06/12/18 | +54h | SLAF, stoch. Physics; 2 physics packages |
ECMWF | 3h | 25 | |
| Ireland | HARMONIE-AROME | 2.5 | 1000 × 900 | 65 | 00/03/06/09/12/15/18/21 | +54h | Observations: 3D-VAR perturbations LBC: SLAF, Surface: perturb initial conditions |
IFS-HRES | 1h | 1+15, (lagged) |
ECMWF and KNMI HPCF |
| Netherlands | HARMONIE-AROME | 2.5 | 800 × 800 | 65 | 00/03/06/09/12/15/18/21 | +48h/+3h | 3D-VAR | IFS HRES | 1h | 1+10 | BullX B720 |
| 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 | |
| Austria | C-LAEF | 2.5 | 600 × 432 | 90 | 00/03/06/09/12/15/18/21 | +60h for 00/12 +03h for others |
ENS 3DVAR for atmosphere, SPP scheme for atmosphere, SPPT for scheme surface | ECMWF ENS | 3h | 16+1 | Atos Sequana XH2000 AMD (ECMWF) |
| France | PEARP (ARPEGE EPS) |
5.1 - France 24 - Antipode |
global | 90 | 00/06/12/18 | +102h | Initial perturbations from Arpege-EDA + SV; random perturbed parameters + 2 deep convection scheme | - | - | 35 | |
| PEARO (AROME EPS) |
1.3 | 1440 × 1536 | 90 | 03/09/15/21 | +51h | initial conditions perturbations from an Arome-EDA, added to the interpolated Arome-1.3km atmospheric analysis.
Perturbation of some parameters of the Arome surface analysis. Stochastic perturbations of physical tendencies (SPPT scheme). |
PEARP | 1h | 12 | ||
| Hungary | AROME | 2.5 | 490 × 310 | 60 | 00/12 | +48h | Type of data assimilation and perturbations: initial conditions from AROME-EDA | ECMWF EPS | 1h | 10+1 | HPE Apollo 6000 |
| Slovakia (run for LACE with SBUs by Slovenia, Croatia, Turkey) |
ALADIN-LAEF | 4.8 | 1250 × 750 | 60 | 00/12 | +72h | ensemble surface data assimilation (ESDA) + upper-air spectral blending by DFI, ALARO-1 multiphysics (4 clusters) + surface stochastic physics (SPPT) |
ECMWF EPS (via c903) |
6h | 16+1 | Atos Sequana XH2000 AMD (ECMWF) |
| Germany | ICON-EPS | 40 | global 2-way nest |
90 | 00/12 06/18 03/09/15/21 |
+180h +120h +51h |
IC from global LETKF perturbed SST |
- | - | 40 | NEC SX-Aurora Tsubasa |
| ICON-EU-EPS | 20 | 60 | |||||||||
| ICON-D2-EPS | 2.2 | 525072 | 65 | 03/06/.../18/21 | +48h | IC from regional LETKF | ICON-EPS | 1h | 20 | ||
| 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 | |
| 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 | |
| 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 | |
| COSMO-1E | 1.1 | 1075 × 691 | 80 | 00/03/06/09/12/15/18/21 | +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 |
| 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 | 16 | TCO639L91 | 91 | 00/12 06/18 |
+360h +144h |
SV initial perturbation + Ensemble Data Assimilation |
- | - | 50+1 | |