Meteosat Sea Surface Temperature

IDENTIFICATION
Description	Hourly sub-skin Sea Surface Temperature product derived from Meteosat at 0° longitude, covering 60S-60N and 60W-60E and re-projected on a 0.05° regular grid.
Product type	Near real time product
Status	Operational
Identifier	OSI-206-a
Acronym	MET SST
Acronym for EDC (APNM)	MET SST, OSIHSST
Product navigator reference	EO:EUM:DAT:METEOSAT:OSIHSST-NC

CHARACTERISTICS
Processing level	L3C
Satellite input	Meteosat-11/SEVIRI
Other input	NWP outputs (temperature and humidity profiles, aerosols optical depth), Sea Surface Temperature analysis (OSTIA), cloud mask
Frequency	24 per day
Timeliness	3h
Spatial coverage	East Atlantic, West Indian: 60N-60S 60W-60E
Spatial sampling	0.05° Lat-Lon
Projection	cylindrical equidistant
Characteristics & methods	Subskin temperature; multispectral algorithms + bias correction

ACCURACY REQUIREMENTS
Thresold accuracy	monthly bias : 1 K, Sdt Deviation : 1.5 K
Target accuracy	Bias : 0.5 K, sdt Deviation : 1 K
Optimal accuracy	monthly bias : 0.1 K, Sdt Deviation : 0.5 K
Verification/validation method	routine comparison with drifting buoy measurements

DATA ACCESS
Diffusion mean(s) and format(s)	EUMETCast (NetCDF4) LML FTP Server (NetCDF4) EDC (NetCDF4)
Main FTP server	LML FTP server (hosted by Ifremer)	Other FTP server, other mean(s) to access main server	backup LML FTP server (last 7 days) Thredds HTTPS
EUMETCast	EUMETCast	Discovery mean(s)	Naiad
EUMETSAT Data Centre	EDC	Discovery mean(s)	Naiad
Redistribution	PODAAC-GHSEV-3CO01 http://podaac.jpl.nasa.gov/dataset/SEVIRI_SST-OSISAF-L3C-v1.0
Applications and users		OSI SAF Producer	Météo-France

VIEW MORE		DOCUMENTATION
Product web page	Description	Product User Manual	PUM
Live production status	Status	Algorithm Theoretical Baseline Document	ATBD
Last products at a glance	Quicklook	Scientific Validation Report	SVR
Continuous monitoring	Quality

HISTORY, COMMENTS
From 19/01/2021, processed with a new chain: improved SST methodology, especially the bias correction parameterization, using cloud mask from NWC SAF software v2018 Replaced OSI-206 based on Meteosat-10 input on 20 February 2018 Using cloud mask from NWC SAF software v2016 This product format is compliant with the Data Specification (GDS) version 2 from the Group for High Resolution Sea Surface Temperatures (GHRSST).
Declared operational/released	20/02/2018
On EUMETCast since	20/02/2018
In EDC since	20/02/2018
First product date	20/02/2018

Disclaimer : All intellectual property rights of the OSI SAF products belong to EUMETSAT. The use of these products is granted to every interested user, free of charge. If you wish to use these products, EUMETSAT’s copyright credit must be shown by displaying the words “Copyright © 2021 EUMETSAT” on each of the products used.

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