Start dateEnd date (short events)Event typeAffected dataDescription
16/01/2024
Data activationNOAA-21 CrIS
18/01/2024
Data cessationPlanetIQ GNSS-ROECMWF stopped receiving the data following NOAA's decision to award the contract to SPIRE
24/01/2024
Data activationSPIRE GNSS-ROSPIRE data provided by NOAA activated after a short health check period
24/01/2024
New dataSYNOP Converted from METAR over USASignificant increase of observations from USA due to the conversion of METARs to SYNOPs
06/02/2024
Data activationSentinel 3A/3B/6A, Cryosat-2 and SARALWave height data from these satellites started to be used
07/02/2024
Data blocklistMetop-B GOME-2Following a notification from EUMETSAT about issues in the processing 
07/02/2024
Data selection updateIn-situ observationsIn-situ observations used in 4DVAR and Land data assimilation
22/02/202412/03/2024OutageSMOSOutage of SMOS due to on-board anomaly
13/03/2024
Metadata updateMETARUpdate of METAR ICAO list
08/05/2024

Data selection update

In-situ observationsIn-situ observations used in 4DVAR and LDAS (The implementation caused technical issues)
15/05/2024

Data selection update

In-situ observationsFix an issue with the implementation of the data selection (on 08/05/2024) which led to accidental activation of many datasets (Z from radiosondes, All TEMP descent radiosondes and other datasets)
05/06/2024

Technical change

DropsondesChange to reduce the number of dropsonde data points used,
especially when many drops have been made near a TC. Dropsondes are
intermittent and any effect on headline scores will be small
27/06/2024

New data monitored

HY-2 scattermoeterpassively monitoring of HY-2C and HY-2D scatterometer wind products
16/07/2024

Data blocklist

Metop-C AMSUA Channel 8 Blocklist Metop-C AMSUA Channel 8 due to a steady increase of the noise
16/07/2024

Data blocklist

Metop-C AMSUA Channel 5-7 over sea-ice or snow covered landMetop-C AMSUA Channel 5-7 over sea-ice or snow covered land
26/08/2024

New data

DropsondesAcquisition update to acquire Dropsondes from PERCUSION campaign (https://community.wmo.int/en/news/operational-newsletter-2024)
29/08/2024

New data monitored

NOAA-21 VIIRS AMVsPassive monitoring of NOAA-21 VIIRS AMVs
08/10/2024

New data activation

SNOTEL snow dataSNOTEL snow depth is actively used


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