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Start dateEnd date (short events)Event typeAffected dataDescription
01/01/202001/01/2020Technical outageMost of the data

A piece of code designed to cope with 2K year bug caused rejection of most of the data for 06 BC, 00 LWDA and 12 DA cycles. An emergency fix was implemented to fix the problem.

01/01/202014/01/2020 Technical outageSmall subset of Ocean in-situ data reporting in TAC: XBTs and CTDs Due to a technical problem a small subset of Ocean in-situ data reporting in TAC (XBTs and CTDs) were rejected. This  affected the NRT ocean5 data assimilation. The problem has been fixed and the missing data were re-processed. The delayed ocean5 data assimilation will not be affected.
03/01/202014/01/2020OutageFY-3B/MWHSCMA requested EUMETSAT to stop the distribution of the data due to a switch over of the scan mode. At the time of the outage the data quality was nominal
08/01/2020
Blacklist updateIn-situ data

Monthly update of in-situ data blacklist. In addition to the usual blacklist/whitelist of individual stations this update contains other significant changes: Activation of BUFR Radiosonde and PILOTs from CHINA. Activation BUFR SHIP BUOYS and deactivatation TAC counterparts.

Update: The blacklist was postponed for one day to fix a small technical issue causing a small reduction of Automatic SYNOPs in few areas. Problem fixed on 09/01/2020

09/01/2020
ActivationAeolus windsAfter months of successful  testing and improvement of the bias correction winds from Aeolus are activated. For more info please check https://www.ecmwf.int/en/about/media-centre/news/2020/ecmwf-starts-assimilating-aeolus-wind-data
13/01/2020
BlacklistMeteosat-11 AMV and ASRTemporary blacklist during Meteosat-11 SEVIRI decontamination
23/01/2020
New data monitoringPAZ GPSROMonitoring of GPSRO from the Spanish satellite PAZ (https://www.wmo-sat.info/oscar/satelliteprogrammes/view/123)
30/01/2020
Re-activationMeteosat-11 AMVs and ASR
The data  are activated further to a successful decontamination of SEVIRI. The data quality are unaffected.
31/01/202013/02/2020Data outageJason-3 (Surface wind, wave height and sea-level anomaly)Satellite in safe mode
04/02/202012/02/2020Data outageFY-3C data (MWHS2 and GNOS)FY-3C data suspended due to satellite platform maintenance
10/02/2020
Blacklist updateIn-situ dataMonthly update of in-situ data blacklist.
11/02/2020
Re-activationMetop-A/IASIRe-activation of Metop-A/IASI
11/02/202026/02/2020OutageTERRASAR-X and Tandem-X GPSROData absent in ECMWF system but available in other sites (ROM-SAF). Outage being investigated. Problem is caused by a change in the data encoding. Decoder updated
13/02/2020
temporary blacklistFY-3C MWHS2Data came back (after days of outage) with unexplained changes of bias. The data is blacklisted temporarily.
26/02/2020 02/03/2020Data outage Metop-C/IASIData unavailable due to instrument decontamination
27/02/2020
technical changeMetop-A/MHSDue to the failure of channel 2 data is used only over ocean when passing a test based on channel 1
27/02/2020
BlacklistGOES-15 CSRData from GOES-15 are blacklisted prior to the switch of of the satellite
04/03/2020
New dataMetop-C/GOME-2 Ozone
Started monitoring Metop-C/GOME-2 Ozone
09/03/2020
Blacklist updateIn-situ dataMonthly update of in-situ data blacklist.
13/03/2020
New data monitoringCOSMIC-2 GPSROMonitoring of COSMIC-2 GPSRO
25/03/2020
ActivationCOSMIC-2 GPSROCOSMIC-2 GPSRO used in operations
01/04/202005/04/2020Technical issueSea level anomaly (SLA)change from the data provider affected the pre-processing of SLA data used by the ocean5 data assimilation
02/04/2020
Re-activationFY-3C MWHS2Re-activation of FY-3C MWHS2 after confirmation from the data provider that no further spacecraft maintenance are expected. The change of bias has been stable. No impact noticed on random errors
07/04/2020
Blacklist updateIn-situ dataMonthly update of in-situ data blacklist.
21/04/2020
technical changeMETAR surface pressureQNH correction applied to METAR surface pressure (~19Pa in the USA and ~50Pa elsewhere)
17/04/2020
New data monitoringAFIRS AFIRS aircraft data are being monitoring in preparation of operational use
20/04/202023/04/2020BlacklistAeolustemporary blacklist to all bias correction to adjust to new settings
29/04/2020
New data monitoringTAMDAR TAMDAR aircraft data are being monitoring in preparation of operational use
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