AIFS, IFS and OpenIFS

OpenIFS Welcome to the OpenIFS forum! This is your hub for asking questions, and engaging with fellow users of the OpenIFS models. Be sure to check the instructions below to get started! AIFS Welcome to the AIFS forum! This is your hub for asking questions, and engaging with fellow users of the AIFS model. Be sure to check the instructions below to get started! OpenIFS-SCM Welcome to the Single-Column Model (SCM) OpenIFS model forum! This is your hub for asking questions, and engaging with fellow users of the SCM model. Be sure to check the instructions below to get started! OpenIFS Data Hub Welcome to the OpenIFS Data Hub forum! This is your place for asking questions, and engaging with fellow users of the facility to generate initial experiment data and other data products for OpenIFS forecast model experiments. Be sure to check the instructions below to get started! IFS Welcome to the IFS forum! This is your hub for asking questions, and engaging with fellow users of the IFS model. Be sure to check the instructions below to get started!

Topic	Replies	Views	Activity
About the AIFS, IFS and OpenIFS category AIFS, IFS and OpenIFS	0	10	20 March 2025
Issue with AIFS AIFS aifs	2	76	25 February 2025
IFS and ENS control and deterministic cy49r1 IFS ifs	0	34	10 December 2024
SST over land, possible bug in SURF? OpenIFS openifs-surface-boundary , openifs-43r3 , openifs-configuration-and-namelists	11	7	12 November 2024
What is the current status of the Data Hub? OpenIFS Data Hub openifs-initial-data	0	2	28 August 2024
Recommendations for mass fixers in OpenIFS? OpenIFS openifs-dynamics , openifs-40r1	21	5	8 May 2024
Relaxation coefficients & smoothing OpenIFS openifs-43r3 , openifs-nudged-configuration , openifs-dynamics	10	3	7 March 2024
Ifs-test fails with debug option enabled for OpenIFS 48r1 OpenIFS openifs-48r1 , openifs-installation-and-compilation	3	7	1 February 2024
Difference between 10 year aquaplanet simulations OpenIFS openifs-dynamics , openifs-idealised-configuration , openifs-43r3	2	2	12 July 2023
Perturbing the initial state for ensemble runs OpenIFS openifs-initial-data , openifs-configuration-and-namelists , openifs-43r3	3	1	10 May 2023
How are fields sent from radintg.F90 to radiation_scheme.F90? OpenIFS openifs-43r3 , openifs-aerosol-processes , openifs-physics-parametrizations , openifs-radiation	1	2	1 May 2023
Output CO2 or aerosol concentrations & optical depth OpenIFS openifs-43r3 , openifs-aerosol-processes , openifs-climate-data , openifs-physics-parametrizations	1	2	30 March 2023
Error reading the CL file for a 42 year OpenIFS run OpenIFS openifs-initial-data , openifs-configuration-and-namelists , openifs-43r3	0	2	17 February 2023
OpenIFS: Editing ICMCLhif1INIT files with Eccodes tools OpenIFS openifs-43r3 , openifs-initial-data , openifs-configuration-and-namelists	0	2	6 February 2023
Tendency fields and their explanation OpenIFS openifs-model-output , openifs-43r3 , openifs-configuration-and-namelists	1	2	17 January 2023
Spectral nudging / relaxation code in OpenIFS OpenIFS openifs-nudged-configuration , openifs-43r3 , openifs-dynamics	16	3	11 November 2022
On Mean Zonal wind graphs IFS	3	3	1 November 2022
Surface roughness on a aqua-planet simulation OpenIFS openifs-idealised-configuration , openifs-surface-boundary , openifs-43r3 , openifs-physics-parametrizations	1	2	20 October 2022
Glue restart files to change number of processors for restart OpenIFS openifs-long-runs , openifs-configuration-and-namelists , openifs-43r3	26	2	7 October 2022
OpenIFS crashes after 170 years with super-warm tropical ocean, heavy rain, and tropical sea-ice cover! OpenIFS openifs-long-runs , openifs-coupling , openifs-40r1 , openifs-configuration-and-namelists	10	3	7 October 2022
Spectral "wiggles" in 43r3? OpenIFS openifs-dynamics , openifs-43r3 , openifs-model-output	8	2	27 September 2022
Output data reduction to the northern hemisphere OpenIFS openifs-configuration-and-namelists , openifs-43r3 , openifs-model-output	3	2	1 August 2022
Unexpected SST difference between the same OpenIFS configuration simulations with different model time steps OpenIFS openifs-model-output , openifs-43r3 , openifs-configuration-and-namelists	10	2	24 June 2022
Output of O3 concentrations used by radiation, ecRad OpenIFS openifs-43r3 , openifs-climate-data , openifs-physics-parametrizations , openifs-radiation	0	2	22 June 2022
Perturbing land surface parameters OpenIFS openifs-surface-boundary , openifs-43r3 , openifs-configuration-and-namelists	1	2	14 June 2022
How to creating initial file (ICMSH* and ISMGG*)? OpenIFS openifs-43r3 , openifs-configuration-and-namelists , openifs-initial-data	2	2	9 June 2022
OpenIFS ouput rule-of-thumb OpenIFS openifs-model-output , openifs-43r3 , openifs-configuration-and-namelists	3	2	5 May 2022
OpenIFS LBUD23 tendencies --> out-of-mem OpenIFS openifs-43r3 , openifs-model-output , openifs-configuration-and-namelists	5	2	2 May 2022
Aerosol effects in OpenIFS 43r3? OpenIFS openifs-aerosol-processes , openifs-radiation , openifs-43r3 , openifs-physics-parametrizations	7	3	8 April 2022
Baroclinic wave simulation in the idealised moist case OpenIFS openifs-dynamics , openifs-idealised-configuration , openifs-43r3	1	2	25 March 2022