The following new observations have been activated in the operational ECMWF assimilation system since April 2022.
| Observations | Main impact | Activation date |
|---|---|---|
| Extra SYNOP stations from France (2 m temperature, relative humidity, snow) | Regional near-surface temperature/humidity; snow analysis | 11 April 2022 |
| Meteosat-9 atmospheric motion vectors and all-sky radiances (replacing equivalent Meteosat-8 observations, which were retired on 2 June 2022) | Upper tropospheric wind and humidity | 7 June 2022 |
| Radio occultation bending angles from SPIRE satellites | Temperature and winds in upper troposphere/lower stratosphere | 7 June 2022 |