Full resolution Metop Sea Surface Temperature metagranules

Full resolution Metop Sea Surface Temperature metagranules

Operational Near real time product

Metop/AVHRR full resolution (1 km at nadir) sub-skin Sea Surface Temperature granules. Granules are disseminated every 3 minutes.

Acronym : MGR SST
Product navigator reference :


OSI SAF producer : Météo-France
Identifier : OSI-204-c
Digital object identifier (DOI) 10.15770/EUM_SAF_OSI_NRT_2013
Acronym for EDC (APNM) : MGR SST
Processing level : L2P
Satellite input : Metop-C/AVHRR
Other input : ECMWF outputs (temperature, humidity and aerosols profiles)
Frequency : 480 per day (each 3min)
Timeliness : 4h
Spatial coverage : Global
Spatial sampling : 1km
Projection : Swath
File Formats : LML FTP Server (NetCDF4)
Characteristics & methods : Subskin temperature; multispectral algorithm + use of NWP output
Data Access
Main Diffusion Means : LML FTP server (hosted by Ifremer) : ftp://eftp1.ifremer.fr/cersat-rt/project/osi-saf/data/sst/l2p/global/
backup LML FTP server (last 7 days) : ftp://eftp2.ifremer.fr/cersat-rt/project/osi-saf/data/sst/l2p/global/
Other means :


Discovery mean(s) : Naiad
Accuracy Requirements
Target accuracy : monthly bias : 0,5°c, Sdt Deviation : 0,8°c
Verification/validation method : routine comparison with drifting buoy measurements
Authorised to be operational / released :
Declared operational / released since :
On FTP server since :
First date :
  • This product format is compliant with the Data Specification (GDS) version 2 from the Group for High Resolution Sea Surface Temperatures (GHRSST).

    This product will be distributed on top of the Metop-B MGR SST (OSI-204-b) and only on the LML FTP server (not on EUMETCast) from November 2020.

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