| Experiment | Nudging option | |||
| Over d01 (9 km) | Over d02 (3 km) | Over d03 (1 km) | Over d04 (0.333 km) | |
| INI | No nudging | No nudging | No nudging | No nudging |
| NUD1 | Grid nudging (global data) | No nudging | No nudging | No nudging |
| NUD2 | Grid nudging (satellite data) | No nudging | No nudging | No nudging |
| NUD3 | Grid nudging (global and satellite data) | No nudging | No nudging | No nudging |
| NUD4 | Grid nudging (satellite data) | Observational nudging | No nudging | No nudging |
| NUD5 | Grid nudging (satellite data) | Observational nudging | Observational nudging | No nudging |