Start dateEnd date (short events)Event typeAffected dataDescription
06/01/202108/01/2021 (~22UTC) Data outage
ADS-C aircraft data

12/01/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
12/01/2021
Land surface data selection updateSurface variables: T2M, RH2M and snowMonthly update of in-situ LDAS data selection
12/01/202117/01/2021Data reduction (technical issue)E-AMDARsDue to a change of BUFR master tables data were not ingested properly during the period.
22/01/202128/01/2021BlocklistAeolusAeolus winds  flagged invalid for this period, due to a test of the M1 mirror thermal control
31/01/202105/02/2021 Data outage AeolusPeriod of testing
03/02/2021
Technical updateEUMETSAT AMVs (from Metops and Metesats)Operational transition to the new BUFR format
02/02/2021
Technical changeCryosat-2 wave height Change of data format that requires an update
09/02/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
10/02/2021
Land surface data selection updateSurface variables: T2M, RH2M and snowMonthly update of in-situ LDAS data selection
12/02/2021 15/02/2021BlocklistAeolusM1 telescope temperature test
16/02/2021
Technical changeMetop-B AMSUA Channel 6Increase of obs error for Metop-B AMSUA Ch6 to reduce the impact of the fast increasing noise of this channel
19/02/202122/02/2021outageSSMIS (F17 and F18)Ground segment anomaly
20/02/202122/02/2021OutageMetop-A MHSInstrument anomaly
26/02/202101/03/2021BlocklistAeolus change in M1 mirror thermal control settings
08/03/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
09/03/202112/03/2021BlocklistAeolusM1 telescope temperature test
10/03/2021
Land surface data selection updateSurface variables: T2M, RH2M and snowMonthly update of in-situ LDAS data selection
10/03/202116/03/2021Outage Moored buoys from NDBCMajor outage of moored buoys from NDBC (see here)
16/03/202118/03/2021BlocklistAeolusM1 telescope temperature test
22/03/202126/04/2021OutageAeolus

Laser FM-B in survival mode
Update (26/04/2021): Data feed resumed. The data quality looks similar to the situation prior to the outage. Data will be activated soon

Update (07/05/2021): Aeolus data re-activated

25/03/202106/04/2021OutageSYNOP data from Mexico
01/04/2021113/04/2021Outage (data format change)Chinese aircraft data Change if format to use WIGOS AMDAR BUFR format
08/04/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
12/04/2021
Land surface data selection updateSurface variables: T2M, RH2M and snowMonthly update of in-situ LDAS data selection
13/04/2021
Data resumptionAIRSAIRS data are flowing again using a direct link to NASA
13/04/2021
New data (monitored)GOES-17 CSRGOES-17 CSR  passively monitored
13/04/202127/04/2021BlocklistGOES-16 CSRGOES-16 CSR temporarily blocklisted
13/04/2021
New data (monitored)HY-2B scatterometerHY-2B scatterometer passively monitored
11/05/2021
New cycle implemented 47R2 implementation
12/05/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
12/05/2021
Land surface data selection update Surface variables: T2M, RH2M and snowMonthly update of in-situ LDAS data selection. New snow observations from AEMET (Nivomet) are blocklisted till they are checked
13/05/2021
BlocklistCrIStemporary preventive exclusion of CrIS (from NPP and NOAA20) to allow investigation of an issue that affected the analysis
17/05/202128/05/2021OutageAeolusM1 telescope temperature test
18/05/2021
ActivationGOES-17 CSR Activation of radiances from GOES-17
22/05/2021
OutageSNPP CrISSide 2 Long wave IR failure.
Update (02/06/2021): SNPP data resumed using the side-B (no LWIR). The data are blocked upstream at ECMWF till the switch to side-A and testing
08/06/2021
Re-activationNOAA-20 CrISRe-activation after the preventive blocklist  on 13/05/2021
08/06/2021
BlocklistAQUA AIRS Channel 1092Exclusion of this channel further to recent degradation
09/06/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
10/06/2021
Land surface data selection updateSurface variables: T2M, RH2M and snowMonthly update of in-situ LDAS data selection
23/06/2021
ActivationHY-2B scatterometer Activation of HY-2B scatterometer data
07/07/2021
Data availabilityMETOP dual AMVsMETOP dual AMVs AB  ceased to be received.
08/07/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
20/07/2021
New data (monitored)MISTRAL surface observationoperational extraction to allow monitoring
22/07/2021
Technical changeMET8 and MET-11 CSRImproved observation reporting time (reported time is 15 minutes late causing the system to discard the last slot of the day)
09/08/2021
Data selection updatein-situ dataMonthly update of in-situ data selection (includes many MISTRAL stations over Italy and Slovenia SEE-MHEWS-A)
09/08/2021
Data selection updateMETOP dual AMVsActivation METOP dual winds CB
26/08/2021
BlocklistTemperature from Chinese AMDARLarge errors affecting data from Chinese aircraft data
03/09/2021
New dataSaildronesWe started the processing and use of a number of saildrones (11 in total).
09/09/2021
Data selection update in-situ data Monthly update of in-situ data selection. Contains blocklisting of wind from Chinese AMDAR
09/09/2021
Land surface data selection updateSurface variables: T2M, RH2M and snowMonthly update of in-situ data selection
13/09/2021
BlocklistMETOP-A IASIMETOP-A IASI permanently excluded. End of life technological tests due to start this week are expected to impact the data content and format
14/09/2021
Technical changeGRAS (Metop A/B/C)GRAS processing update to version 5. Good impact on the quality
16/09/2021
New data (monitored)GPSRO from Sentinel 6A and GRACE-C
Start monitoring of GPSRO from Sentinel 6A and GRACE-C
21/09/2021
Technical changeMetop-B AMSUA Ch 6 Increase of observation errors to temporarily mitigate the ongoing increase of random errors.
23/09/2021
Data changeAQUA/AIRSBias change affected many AIRS channel due to calibration update. The bias was well handled by VarBC
01/10/202111/10/2021OutageHY-2B SCATToutage of HY-2B SCATT due to an onboard problem
05/10/202105/10/2021Data excludedAeolusAeolus data exclude due to instrument testing
12/10/2021
New IFS cycleAll observationsIFS cycle 47R3 implemented.  It includes several changes to observations usage: All sky AMSUA, correction of low level high assignment for AMVs, update to radiative transfer model (Implementation of IFS Cycle 47r3)
14/10/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
14/10/2021
Data selection updatein-situ dataMonthly update of in-situ LDAS data selection. This update contains the exclusion of all MISTRAL snow reports. Many of these snow reports are not correct.
14/10/2021
Data excluded from MonitoringFY-3D GNSSRO Data excluded from monitoring
18/10/202102/11/2021BlocklistAeolusAeolus excluded during testing period
20/10/2021
New data (monitored)GNSS RO from SPIREData being distributed by EUMETSAT
25/10/2021
New data (monitored)Strateol2 balloons Monitoring of data from Strateol2 (https://webstr2.ipsl.polytechnique.fr/#/)

28/10/2021


BlocklistNOAA-18 AMSU-A Ch 8Excluded after steady increase in noise
08/11/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
09/11/2021
Data selection updatein-situ data Monthly update of in-situ LDAS data selection.All MISTRAL snow observations remain excluded
11/11/2021
End of useMetop-A: AMV, ASCAT, AMSU-A, MHS, GRAS
Exclusion of these datasets ahead of Metop-A end of life
11/11/2021
BlocklistAIRS channel 1111 This channel is excluded due to intermittent noise increase

16/11/2021

26/11/2021OutageFY-3D sensorsOrbital manoeuvre
22/11/202127/11/2021BlocklistAeolusData excluded during a planned laser test
25/11/2021
Updated productMode-SSwitch to new Mode-S stream (v2.2) from EMADDC
28/11/202106/12/2021Data excluded temporarily GOES-16 and GOES-17 CSRData excluded due to the  implementation of GOES-16 and GOES-17 ABI Enterprise Cloud Mask Level 2+ Algorithm. The data will be tested before will be released in operations.
30/11/202104/12/2021Blocklist Aeolus Another period of laser testing
03/12/2021 
New dataHDOBActivate processing/extraction of High-Density aircraft reconnaissance data (HDOB)
08/12/2021
Data selection updatein-situ dataMonthly update of in-situ data selection
09/12/2021
Data selection updatein-situ dataMonthly update of in-situ LDAS data selection.All MISTRAL snow observations remain excluded
14/12/2021 
Technical changeMetop-C MHSIncrease of obs errors for Metop-C MHS channels  3 and 4 after gradual noise increase.
14/12/2021
Technical changeNPP CrIS

Start extraction of NPP CrIS  to enable use of Long wave channels. Passive for two days then to be activated

Data activated on 16/12/2021

4/12/2021    
Data changeOcean SLA (Saral/CryoSat2/Jason3) SLA processing change from CMEMS