The following new observations have been activated in the operational ECMWF assimilation systems during July – September 2025
| Observations | Main impact | Activation date |
|---|---|---|
| Radiances from the Microwave Radiometer on the Arctic Weather Satellite | Temperature, humidity, dynamics | 10 July 2025 |
| Radio occultation bending angles from FY-3E GNOS-2 | Temperature and winds in upper troposphere/lower stratosphere | 10 July 2025 |