The following new observations have been activated in the operational ECMWF assimilation system in October – December 2022.
| Observations | Main impact | Activation date |
|---|---|---|
| Atmospheric Motion Vectors from Himawari-9 (replacing Himawari-8) | Tropospheric wind | 13 December 2022 |
| Clear-Sky Radiances from Himawari-9 (replacing Himawari-8) | Tropospheric humidity and wind | 13 December 2022 |