The following new observations have been activated in the operational ECMWF assimilation system since April 2020.
| Observations | Main impact | Activation date |
| AFIRS aircraft data | Temperature and wind | 12 May 2020 |
| Radiances from MWRI on FY-3D | Total column water vapour, clouds, dynamics | 13 May 2020 |
| Atmospheric Motion Vectors from NOAA-20 VIIRS | Tropospheric Wind | 13 May 2020 |
| Radiosonde descent data over Germany | Wind, temperature and humidity | 17 June 2020 |
| Radio occultation bending angles from SPIRE satellites | Temperature and winds in upper troposphere/lower stratosphere | 13 May 2020 |
| TAMDAR aircraft data | Temperature and wind | 17 June 2020 |