MTG Data

Data and Products from MTG Services.

The tables below show the current status of data and products to be generated centrally by EUMETSAT, and the products to be generated by the EUMETSAT Satellite Application Facilities (SAF). The SAF products will be identified and generated as part of the SAF Continuous Development and Operations Phase 4(CDOP 4, 2022–2027).

MTG Level 1 Data (*)
Disseminated in near-real time Compressed using CharLS algorithm:
16 imager channels (Full Disc Scanning Service), 4 imager channels at high spatial resolution (Rapid Scanning Service)
None Principal component scores None
Available from data archive Uncompressed:
16 imager channels (Full Disc Scanning Service), 4 imager channels at high spatial resolution (Rapid Scanning Service)
Lightning Triggered Events Full spectral channels,
Principal component scores
Daytime Earth radiances and solar irradiances in NIR and UV/VIS bands

* More details on the MTG data and products baseline, Algorithm Theoretical Basis Documents, product guides, and forthcoming MTG applications and user guides are published on the MTG Resources page.

MTG Level-2 Geophysical Products (*)
Atmospheric Motion Vectors
All Sky Radiance
Clear/Cloud/Dust/Ashes Flag
Clear Sky Reflectance
Cloud Analysis
Fire Detection
Global Instability Indices
Cloud Drop Effective Radius
Outgoing Longwave Irradiance
at Top of Atmosphere
Ozone Total Column
Volcanic Ash
Accumulated Flash Area
Accumulated Flash Radiance
Accumulated Flashes
Lightning Flashes
Lightning Groups
Temperature profile
Humidity profile
Instability indices
Ozone profile
Surface temperature (land and sea)
Surface emissivity (land)
Cloud products (detection, fraction, top pressure)
Ozone Total Column
Ozone Tropospheric Column
Nitrogen Dioxide Total Column
Nitrogen Dioxide Tropospheric Column
Sulphur Dioxide
Aerosol Index
Aerosol Layer Height

* Disseminated in near-real time, and available from data archive. Products planned by the EUMETSAT Satellite Application Facilities are not shown.


SAF Level 2 Products

Products based on FCI (provisional list)
SAF Product Group Parameter Type
NWC Clouds Cloud Mask
Cloud Microphysics
Cloud Top Temperature Height
Cloud Type
H Snow Snow detection and coverage Near real-time
Surface properties Land Surface Temperature
Sea Surface Temperature
Surface Albedo
Near real-time
Near real-time
Near real-time
NWC Meteorological Systems Automatic satellite image interpretation Software
NWC Winds High Resolution Winds
Extrapolated satellite imagery
LSA, OSI Radiative fluxes Surface downward LW flux
Surface downward SW flux
Near real-time
Near real-time
NWC Convection Convection probability
Convection trajectory
Convection warning
Precipitation Accumulated precipitation
Precipitation Rate
Precipitating Clouds
Convective Rain Fall Rate
NWC Clean Air Temperature and Humidity Physical Retrieval Software
Products based on LI (provisional list)
SAF Product Group Parameter Type
H Precipitation Rain Fall Intensity Near real-time

The NWP SAF are developing:

  • RTTOV Radiative Transfer Model Version to be applicable to the MTG IRS instrument.
  • Cloud and Aerosol Detection Software package to cover IRS.
  • 1DVAR NWP software for IRS retrieval and analysis.

Note: All the products are subject to possible updates.

Delivery formats

NetCDF-4 is the baseline format for the FCI, LI and IRS instrument level 1 dataset generation and level 2 geophysical products. NetCDF-4 offers a number of advantageous features, including:

  • Ability to cope with large dataset sizes — ~7 Gbytes for Full Disc archived dataset for MTG compared to the current ~220 Mbytes.
  • Datasets are self describing.
  • Groups allow potential for easier subsetting.

Selected products will also be available in BUFR, GRIB and other formats where required to continue an existing service.

Algorithm Theoretical Basis Documents (ATBD) and Product Guides

Algorithm Theoretical Basis Documents (ATBD) describe the algorithm theoretical basis for the derivation of Level 2 MTG products, providing an insight into product retrieval schemes. ATBDs usually contain a short overview over the relevant MTG instrument characteristics, followed by a general approach towards the geophysical parameter of interest, and detailed description of the underlying algorithm of the product — its physical basis, the required input data, and a more detailed description of the product retrieval method. Practical application of the algorithm, with a few results, may also be contained, together with relevant references.

Product Guides serve as a non-extensive overview of the particular products. Such guides normally give the utilisation context and a description of the product, product specifications (e.g. inputs, outputs, coverage, limitations), product illustration (e.g. case studies), and associated resources and reference documents that might further assist users.

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