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Description

The Meteosat Second Generation (MSG-3) satellites are spin stabilized geostationary satellites operated by the European Organization for the Exploitation of Meteorological Satellites (EUMETSAT) to provide accurate weather monitoring data through its primary instrument the Spinning Enhanced Visible and InfraRed Imager (SEVIRI), which has the capacity to observe the Earth in 12 spectral channels. Eight of these channels are in the thermal infrared, providing among other information, observations of the temperatures of clouds, land and sea surfaces at approximately 5 km resolution with a 15 minute duty cycle. This Group for High Resolution Sea Surface Temperature (GHRSST) dataset produced by the US National Oceanic and Atmospheric Administration (NOAA) National Environmental Satellite, Data, and Information Service (NESDIS) is derived from the SEVIRI instrument on the second MSG satellite (also known as Meteosat-9) that was launched on 22 December 2005. Skin sea surface temperature (SST) data are calculated from the infrared channels of SEVIRI at full resolution every 15 minutes. L2P data products with Single Sensor Error Statistics (SSES) are then derived following the GHRSST-PP Data Processing Specification (GDS) version 2.0.

Product Summary

Platforms
MSG
Instruments
SEVIRI
Spatial Extent

N: 73 S: -73 E: 81 W: -81

Spatial Resolution
4500 Meters x 4500 Meters
Location
BALTIC SEA
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2013-08-01
Data Partner
Office of Satellite and Product Operations, NESDIS, NOAA, U.S. Department of Commerce (DOC/NOAA/NESDIS/OSPO) ,
Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, NASA (NASA/JPL/PODAAC)
Concept ID
C2036878029-POCLOUD
Data State
ACTIVE
Number of Files/Granules
243690
Processing Level
2P
Published
Updated
Science Keywords
Sea Surface Temperature

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

NOAA/OSPO. (2014). GHRSST Level 2P Atlantic Regional Skin Sea Surface Temperature from the Spinning Enhanced Visible and InfraRed Imager (SEVIRI) on the Meteosat Second Generation (MSG-3) satellite (GDS version 2) [Data set]. NASA Physical Oceanography Distributed Active Archive Center. https://doi.org/10.5067/GHMG3-2PO02 Date Accessed: 2026-04-22

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Variables

The table below lists the variables contained within a single granule for this dataset. Variables often contain observed or derived geophysical measurements collected from a variety of sources, including remote sensing instruments on satellite and airborne platforms, field campaigns, in situ measurements, and model outputs. The terms variable, parameter, scientific data set, layer, and band have been used across NASA’s Earth science disciplines; however, variable is the designated nomenclature in NASA’s Common Metadata Repository (CMR). Variable metadata attributes such as Name, Description, Units, Data Type, Fill Value, Valid Range, and Scale Factor allow users to efficiently process and analyze the data. The full range of attributes may not be applicable to all variables. Additional information on variable attributes is typically available in the data, user guide, and/or other product documentation.

For questions on a specific variable, please use the Earthdata Forum.

Name Description Units Data Type Fill Value Valid Range Scale Factor Offset
adi_dtime_from_sst Difference in hours between the ADI and SST data hour byte -128 -127 to 127 1 127
aerosol_dynamic_indicator Estimate of the potential for aerosol contamination count byte -128 -127 to 127 0.01 1.27
diurnal_warming Estimate of diurnal warming using Gentemann (2003) diurnal warming parameterization Kelvin byte -128 -127 to 127 0.05 N/A
dt_analysis Analysis used is NOAAs Real-time Global SST analysis at high resolution (0.083 degree) kelvin byte -128 -127 to 127 0.1 N/A
l2p_flags The flags are important to preperly use the data. N/A short 127 127 to -128 1 N/A
probability_of_clear_sky Clear sky probability from Bayesian analysis; non-standard L2P field probability byte -128 -127 to 127 0.0002 0.975
quality_level Proximity code defined as : 0 = unprocessed 1 = Cloudy (Clear sky probability < 0.800) 2 = Bad (0.800 <= Clear sky probability < 0.950) 3 = Suspect (0.950 <= Clear sky probability < 0.990) 4 = Acceptable (0.990 <= Clear sky probability < 0.999) 5 = Excellent (0.999 <= Clear sky probability) N/A byte 0 0 to 5 1 N/A
satellite_zenith_angle The satellite zenith angle at the time of the SST observation angular_degree byte -128 -90 to 90 1 N/A
sea_ice_fraction Fractional sea ice cover from NCEP GFS estimate fraction byte -128 0 to 1 0.01 N/A
sea_surface_temperature Skin temperature of the ocean kelvin short -32768 -5000 to 5000 0.01 273.15
solar_zenith_angle The solar zenith angle at the time of the SST observation angular_degree byte -128 0 to -76 1 N/A
sses_bias Estimated bias based on NOAA bias scheme (contact Andy.Harris@noaa.gov) kelvin byte -128 -127 to 127 0.02 N/A
sses_standard_deviation Estimated standard deviation based on NOAA bias scheme (contact Andy.Harris@noaa.gov) kelvin byte -128 -127 to 127 0.01 1
sst_dtime time plus sst_dtime gives seconds after 00:00:00 UTC January 1, 1981 second short -32768 -32767 to 32767 1 N/A
wind_speed These wind speeds were created by NCEP and represent windows at 10 metres above the sea surface m s-1 byte -128 -127 to 127 1 N/A
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