The following new observations have been activated in the operational ECMWF assimilation system since July 2021.
| Observations | Main impact | Activation date |
|---|---|---|
| PMAP aerosol product from Metop-C | Aerosol in the CAMS system | 19 July 2021 |
| MISTRAL surface observations over Italy and Slovenia | Surface variables locally | 6 August 2021 |