North Atlantic Regional Sea Surface Temperature

IDENTIFICATION
DescriptionNAR product consists in Metop/AVHRR and SNPP/VIIRS derived sub-skin Sea Surface Temperature over North Atlantic and European Seas at 2 km resolution four times a day.
Product typeNear real time productNorth Atlantic Regional Sea Surface Temperature
StatusOperational
IdentifierOSI-202-b
AcronymNAR SST
Acronym for EDC (APNM)OSSTNAR
Product navigator referenceEO:EUM:DAT:MULT:NOAA-OSSTNAR
CHARACTERISTICS
Processing levelL3C
Satellite inputMetop-B/AVHRR and NPP/VIIRS
Other inputECMWF outputs (temperature, humidity and aerosols profiles)
Frequency4 per day
Timeliness6h
Spatial coverageNorth Atlantic
Spatial sampling2 km
Projectionpolar stereographic
Characteristics & methodsSubskin temperature; multispectral algorithm + use of NWP output
ACCURACY REQUIREMENTS
Thresold accuracymonthly bias : 1°c, Sdt Deviation : 1,5°c
Target accuracymonthly bias : 0,5°c, Sdt Deviation : 0,8°c
Optimal accuracymonthly bias : 0,1°c, Sdt Deviation : 0,3°c
Verification/validation methodroutine comparison with drifting buoy measurements
DATA ACCESS
Diffusion mean(s) and format(s)EUMETCast (NetCDF4)
LML FTP Server (NetCDF4)
EDC (GRIB2)
EDC (NetCDF4)
Main FTP serverLML FTP server (hosted by Ifremer)Other FTP server,
other mean(s) to access main server
backup LML FTP server (last 7 days)
Thredds
HTTPS
EUMETCastEUMETCastDiscovery mean(s)Naiad
EUMETSAT Data CentreEDC
RedistributionPODAAC-GHNMB-3CO02 (Metop B - GDS 2) https://podaac.jpl.nasa.gov/dataset/AVHRR_SST_METOP_B_NAR-OSISAF-L3C-v1.0
PODAAC-GHVRS-3CNO1 (NPP - GDS 2) http://podaac.jpl.nasa.gov/dataset/VIIRS_SST_NPP_NAR-OSISAF-L3C-v1.0
Applications and usersAtmosphere and ocean models Oceanography and fisheries. OSI SAF ProducerMétéo-France
VIEW MORE DOCUMENTATION
Product web pageDescriptionProduct User ManualPUM
Live production statusStatusAlgorithm Theoretical Baseline DocumentATBD
Last products at a glanceQuicklookScientific Validation ReportSVR
Continuous monitoringQuality
HISTORY, COMMENTS

12/01/2017: Stop the GRIB dissemination. The product is now provided only in NetCDF. This product format is compliant with the Data Specification (GDS) version 2 from the Group for High Resolution Sea Surface Temperatures (GHRSST).

Authorised to be operational/released23/02/2016
Declared operational/released23/02/2016
On EUMETCast since23/02/2016
In EDC since23/03/2016