...
This has been implemented as AIFS Single v1.1on 31 July on 31 July 2025 with the 06 UTC run. However, due to technical issue identified, it was reverted to AIFS Single v1.1 on 1 August 2025.
The technical issue related to GRIB2 metadata in the IFS Single v1.1 was fixed and parallel test production of AIFS Single v1.1 has been set up.
AIFS Single v1.1 will be re-implemented on Wednesday, 27 August 2025 with the 06 UTC run.
For more details, see the P3 entry in the Known AIFS Single forecasting issues page here and the Implementation of AIFS Single model here.