Level 1 Data

The Level 0 & Level 1 data from the Meteosat, Metop and NOAA satellites are the building blocks for lower-level processed products generated within the EUMETSAT Application Ground Segment.

They provide invaluable input to Nowcasting applications and Numerical Weather Prediction models.

Click on the product names below to view further details in our Product Navigator.

 

 

 

Level 1 Data (Meteosat Second Generation)
Title Resources Instrument
High Rate SEVIRI Level 1.5 Image Data (3-hourly) - MSG - 0 degree   SEVIRI
High Rate SEVIRI Level 1.5 Image Data - MSG - 0 degree MSG Level 1.5 Image Data Format Description (PDF)
SEVIRI
High Rate SEVIRI Level 1.5 Image Data - MSG - Indian Ocean MSG Level 1.5 Image Data Format Description (PDF)
SEVIRI
Low Rate SEVIRI Level 1.5 Image Data - MSG - 0 degree   SEVIRI
Rapid Scan High Rate SEVIRI Level 1.5 Image Data - MSG Rapid Scanning Service
MSG Level 1.5 Image Data Format Description (PDF)
SEVIRI
Level 1 Data (Meteosat First Generation - Discontinued)
Title Resources Instrument
HRI Level 1.5 Image Data - MFG - 0 degree HRI - IODC
MVIRI
HRI Level 1.5 Image Data - MFG - ADC HRI - IODC
MVIRI
HRI Level 1.5 Image Data - MFG - Indian Ocean   MVIRI
HRI Level 1.5 Image Data - MFG - XADC HRI - IODC
MVIRI
Rapid Scan HRI Level 1.5 Image Data - MFG   MVIRI
Metop Direct Readout
Title Resources Instrument
A-DCS AHRPT - Metop Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
A-DCS
AMSU-A AHRPT - Metop Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
AMSU-A
ASCAT AHRPT - Metop ASCAT Product Guide (PDF)
Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
ASCAT
AVHRR AHRPT - Metop Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
AVHRR
GOME-2 AHRPT - Metop Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
GOME-2
GRAS AHRPT - Metop Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
GRAS
HIRS AHRPT - Metop Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
HIRS
IASI AHRPT - Metop Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
IASI
MHS AHRPT - Metop Metop-A Direct Readout AHRPT Technical Description (PDF)
Direct Readout Service - Extended AHRPT Coverage
SAF on Numerical Weather Prediction
MHS
Meteosat Direct Dissemination
Title Resources Instrument
Low Rate SEVIRI Level 1.5 Image Data - MSG - 0 degree   SEVIRI
Level 1 Data - Global (Metop / NOAA)
Title Resources Instrument
AMSU-A GDS Level 1B - Metop ATOVS Level 1b Product Guide (PDF)
AMSU-A Level 1 Product Generation Specification (PDF)
AMSU-A Level 1 Product Format Specification (PDF)
AMSU-A
AMSU-A GDS Level 1B - NOAA Technical Documentation - NOAA NESDIS
ATOVS Level 1b Product Guide (PDF)
AMSU-A Level 1 Product Generation Specification (PDF)
AMSU-A Level 1 Product Format Specification (PDF)
AMSU-A
ASCAT GDS Level 1 Sigma0 at Full Sensor Resolution - Metop ASCAT Level 1 Reprocessing Phase 1 - Dataset Description (PDF)
ASCAT Product Guide (PDF)
ASCAT Level 1 Product Format Specification (PDF)
ASCAT-B Level 1 Calibration and Validation Report (PDF)
ASCAT Reprocessing Phase 1 - Validation Report (PDF)
Estimation of ASCAT-Normalised Radar Cross Section: ATBD (PDF)
ASCAT
AVHRR GDS Level 1B - Metop AVHRR - Factsheet (PDF)
AVHRR Level 1B Product Guide (PDF)
AVHRR 3 Level 1 Product Format Specification (PDF)
AVHRR L1 Product Generation Specification (PDF)
AVHRR
AVHRR GDS Level 1B - NOAA AVHRR - Factsheet (PDF)
AVHRR Level 1B Product Guide (PDF)
AVHRR 3 Level 1 Product Format Specification (PDF)
AVHRR L1 Product Generation Specification (PDF)
AVHRR
GOME-2 GDS Level 1B - Metop GOME-2 Factsheet (PDF)
GOME-2 L1 Product Format Specification (PDF)
GOME-2 Level 1 Product Generation Specification (PDF)
EPS Metop-B Product Validation Report: GOME-2 Level 1 (PDF)
GOME-2/Metop-A Level 1B Product Validation Report No. 5: Status at Reprocessing G2RP-R2 (PDF)
GOME-2 Product Guide (PDF)
Support for Upgrade to FRESCO+ i n the GOME-2 PPF - Final Report (PDF)
EPS GOME-2 Reprocessed L1B-R2 Dataset (PDF)
Metop-A GOME Annual In-Flight Performance Report 2014 (PDF)
Metop-B GOME Annual In-Flight Performance Report 2014 (PDF)
GOME-2 throughput degradation ESA (PDF)
Generic Product Format Specification (PDF)
GOME-2
GRAS GDS Level 1B - Metop GRAS Level 1 Product Generation Function Specification (PDF)
GRAS Level 1 Product Format Specification (PDF)
EPS Metop-B Product Validation Report: GRAS (PDF)
GRAS
HIRS GDS Level 1B - Metop ATOVS Level 1b Product Guide (PDF)
HIRS 4 Level 1 Product Generation Specification (PDF)
HIRS Level 1 Product Format Specification (PDF)
HIRS
HIRS GDS Level 1B - NOAA Technical Documentation - NOAA NESDIS
ATOVS Level 1b Product Guide (PDF)
HIRS 4 Level 1 Product Generation Specification (PDF)
HIRS Level 1 Product Format Specification (PDF)
HIRS
IASI GDS Level 1 Principal Component Residuals - Metop IASI Level 1 PCC Product Generation Specification (PDF)
IASI Level 1 PCC Product Format Specification (PDF)
IASI Principal Component Compression (IASI PCC) FAQ (PDF)
IASI principal component scores - Metop
IASI Level 1 Product Guide (PDF)
IASI-A PCC Eigenvector file - Band 1 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 2 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 3 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 1 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI-A PCC Eigenvector file - Band 2 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI-A PCC Eigenvector file - Band 3 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI-B PCC Eigenvector file - Band 1 (v1.1) (HDF5 - zipped)
IASI-B PCC Eigenvector file - Band 2 (v1.1) (HDF5 - zipped)
IASI-B PCC Eigenvector file - Band 3 (v1.1) (HDF5 - zipped)
IASI
IASI GDS Level 1 Principal Component Scores - Metop IASI Level 1 PCC Product Generation Specification (PDF)
IASI Level 1 PCC Product Format Specification (PDF)
IASI Principal Component Compression (IASI PCC) FAQ (PDF)
IASI Principal component residuals - Metop
IASI Level 1 Product Guide (PDF)
IASI-A PCC Eigenvector file - Band 1 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 2 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 3 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 1 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI-A PCC Eigenvector file - Band 2 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI-A PCC Eigenvector file - Band 3 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI-B PCC Eigenvector file - Band 1 (v1.1) (HDF5 - zipped)
IASI-B PCC Eigenvector file - Band 2 (v1.1) (HDF5 - zipped)
IASI-B PCC Eigenvector file - Band 3 (v1.1) (HDF5 - zipped)
IASI
IASI GDS Level 1C - all spectral samples - Metop IASI Level 1 Product Guide (PDF)
IASI Level 1 Product Format Specification (PDF)
IASI
IASI GDS Level 1C - reduced spectral samples - Metop IASI Level 1 Product Guide (PDF)
IASI Level 1 Product Format Specification (PDF)
IASI reduced products: from 366 to 500 channels (PDF)
IASI
MHS GDS Level 1B - Metop ATOVS Level 1b Product Guide (PDF)
MHS Level 1 Product Generation Specification (PDF)
MHS Level 1 Product Format Specification (PDF)
MHS
MHS GDS Level 1B - NOAA Technical Documentation - NOAA NESDIS
ATOVS Level 1b Product Guide (PDF)
MHS Level 1 Product Generation Specification (PDF)
MHS Level 1 Product Format Specification (PDF)
MHS
Level 1 Data - Global (Sentinel-3)
Title Resources Instrument
OLCI Level 1B Full Resolution in NRT - Sentinel-3 EUMETSAT Ocean Colour page
Product Data Format Specification - OLCI Level 1 & Level 2 Instrument Products (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3 OLCI User Guide
Sentinel-3A Product Notice - OLCI Level-1B (PDF)
OLCI
OLCI Level 1B Full Resolution in NTC - Sentinel-3 Product Data Format Specification - OLCI Level 1 & Level 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3A Product Notice - OLCI Level-1B (PDF)
OLCI
OLCI Level 1B Reduced Resolution in NRT - Sentinel-3 EUMETSAT Ocean Colour page
Product Data Format Specification - OLCI Level 1 & Level 2 Instrument Products (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3 OLCI User Guide
Sentinel-3A Product Notice - OLCI Level-1B (PDF)
OLCI
OLCI Level 1B Reduced Resolution in NTC - Sentinel-3 Product Data Format Specification - OLCI Level 1 & Level 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3A Product Notice - OLCI Level-1B (PDF)
OLCI
SLSTR Level 1B Radiances and Brightness Temperatures in NRT - Sentinel-3 Product Data Format Specification - SLSTR Level 1 & Level 2 Instrument Products (PDF)
SLSTR: Algorithm Theoretical Basis Definition Document for Level 1 Observables (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
S3 Product Notice - SLSTR (PDF)
SLSTR
SLSTR Level 1B Radiances and Brightness Temperatures in NTC - Sentinel-3 Product Data Format Specification - SLSTR Level 1 & Level 2 Instrument Products (PDF)
SLSTR: Algorithm Theoretical Basis Definition Document for Level 1 Observables (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
S3 Product Notice - SLSTR (PDF)
SLSTR
SRAL Level 1A Unpacked L0 Complex echos in NTC - Sentinel-3 Product Data Format Specification - SRAL/MWR Level 1 & 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
SRAL
SRAL Level 1A Unpacked L0 Complex echos in STC - Sentinel-3 Product Data Format Specification - SRAL/MWR Level 1 & 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
SRAL
SRAL Level 1B in NRT - Sentinel-3 Product Data Format Specification - SRAL/MWR Level 1 & 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3A Product Notice - STM L1 Altimetry (NRT
SRAL
SRAL Level 1B in NTC - Sentinel-3 Product Data Format Specification - SRAL/MWR Level 1 & 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3A Product Notice - STM L1 Altimetry (NRT
SRAL
SRAL Level 1B in STC - Sentinel-3 Product Data Format Specification - SRAL/MWR Level 1 & 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3A Product Notice - STM L1 Altimetry (NRT
SRAL
SRAL Level 1B stack echoes in NTC - Sentinel-3 Product Data Format Specification - SRAL/MWR Level 1 & 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3A Product Notice - STM L1 Altimetry (NRT
SRAL
SRAL Level 1B stack echoes in STC - Sentinel-3 Product Data Format Specification - SRAL/MWR Level 1 & 2 Instrument Products (PDF)
Sentinel-3 User Handbook (PDF)
Product Data Format Specification - Product Structures (PDF)
Sentinel-3A Product Notice - STM L1 Altimetry (NRT
SRAL
Regional - Level 0 & Level 1 (Metop / NOAA)
Title Resources Instrument
ATOVS Regional Data Service - Multimission EUMETSAT EARS-ATOVS page
TD 14 - EUMETSAT Advanced Retransmission Service Technical Description (PDF)
MHS|AMSU-A|HIRS
AVHRR Regional Data Service - Multimission EUMETSAT EARS-AVHRR page
TD 14 - EUMETSAT Advanced Retransmission Service Technical Description (PDF)
AVHRR
IASI Regional Data Service Level 1 - 500 Selected Channels and Principal Component Scores - Metop EUMETSAT EARS-IASI page
TD 14 - EUMETSAT Advanced Retransmission Service Technical Description (PDF)
IASI Level 1 PCC Product Generation Specification (PDF)
IASI Level 1 PCC Product Format Specification (PDF)
IASI Principal Component Compression (IASI PCC) FAQ (PDF)
IASI Level 1 Product Guide (PDF)
IASI-A PCC Eigenvector file - Band 1 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 2 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 3 (v1.3) (HDF5 - zipped)
IASI-A PCC Eigenvector file - Band 1 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI-A PCC Eigenvector file - Band 2 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI-A PCC Eigenvector file - Band 3 (v1.4) (HDF5 - zipped) - switchtime: 11:00 UTC (sensing time) 22/02/2011
IASI reduced products: from 366 to 500 channels (PDF)
IASI-B PCC Eigenvector file - Band 1 (v1.1) (HDF5 - zipped)
IASI-B PCC Eigenvector file - Band 2 (v1.1) (HDF5 - zipped)
IASI-B PCC Eigenvector file - Band 3 (v1.1) (HDF5 - zipped)
IASI