The following new observations have been activated in the operational ECMWF assimilation systems during January – March 2024.
| Observations | Main impact | Activation date |
|---|---|---|
| NOAA-21 CrIS radiances | Temperature, humidity, dynamics | 16 January 2024 |
| SPIRE GNSS-RO bending angles from NOAA | Temperature and winds in upper troposphere/lower stratosphere | 24 January 2024 |
| Wave height data from Sentinel 3A/3B/6A, Cryosat-2 and SARAL | Wave analysis/forecasts and atmospheric boundary layer over the ocean | 6 February 2024 |