Start dateEnd date (short events)Event typeAffected dataDescription
15/01/2026
Data excludedMetop-C AMSU-A Ch5

Exclude Ch5 on AMSU-A METOP-C  due to increasing noise

27/01/202605/02/2026Data excludedAQUA/AIRS

temporary precautionary blocklisting of AIRS due to issues affecting the instrument. The data are currently not being distributed by the data provider

03/02/2026 Data monitored EarthCare Radar and Lidar

EarthCare Radar and Lidar monitored ahead of activation 

12/02/2026 Data monitored Sentinel 3 AMVs

Sentinel 3 AMVs monitoring in operations

04/03/2026 12/03/2026Data excludedGMI 

GMI data are temporarily exclude to handle a change of format from HDF to netCDF

09/03/2026 26/03/2026Data excludedMET-12 FCI

FCI temporarily excluded during instrument decontamination

09/03/2026 17/03/2026Data missingS-NPP 

All data missing 

11/03/2026 Data activationMetop-D GRAS2

After a period of successful testing, Metop-D GRAS2 GNSS-RO are activated

24/03/2026 Data excludedMetop-B AMSUA Channel 9

Data excluded due to degraded quality

08/04/2026 Data selectionMetop-D GRAS2

Exclude GPS type RO during the orbit drift towards tandem orbit with Metop-C

30/04/202620/05/2026Data outageCRYOSAT-2 significant wave height

CRYOSAT-2 significant wave height. The issue was reported to the data provider.

12/05/2026 IFS cycle upgradeMany data types impacted

Cycle 50R1 implemented

10/06/2026 Data activationEarthCARE CPR

EarthCARE radar data activated

16/06/2026 Data re-activationTAO moored wind speed

Gradual activation of TAO moored buoys for which the wind bias is reduced (replaced sensors)

23/06/2026 Data activationFY-3E HIRAS-2 

FY-3E HIRAS-2 activated. 

02/07/2026 technical fixGeostationary IR window channel 10 micron 

Fix for overcompensation biases of channel IR12.2 leading to unnecessary rejections of data from 10 micron window channel

02/07/2026 Data activationMeteosat-12 FCI IR 10.5 micron 

Enabled by the above fix

02/07/2026 Data activation MET12-FCI and GOES-19 ABI activated in NEMOVAR (coupled data assimilation)

swap MET-10 SEVERI and GOES-16 ABI by MET-12 FCI and GOES-19 in NEMOVAR (coupled DA)

15/07/2026 Data activationGIIRS 

FY-4B GIIRS activated 

15/07/2026 Data re-activationMETOP-C GRAS (GPS occultations)

GPS occultations are re-activated from METOP-C GRAS. GALILEO and BEIDOU were being used

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