Changes to CAMS global biomass burning emissions based on fire radiative power (GFAS) data availability on ADS and ECMWF Data Portal

Announcements CAMS - Announcements
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As part of our continuous improvement to the CAMS service, some changes will be made to the “CAMS global biomass burning emissions based on fire radiative power (GFAS)” data available from the Atmosphere Data Store (ADS) and ECMWF Data Portal (aux.ecmwf.int; SFTP/FTP/HTTPS data access).
These changes are due to the forthcoming expected discontinuation of MODIS. We will replace the production system with an improved GFAS processing algorithm version 1.4.2 using both MODIS (as long as the data is available) and VIIRS observations.

For ADS users, the updates of GFAS version 1.2 data available from the catalogue entry will stop from 04 December 2025. An announcement will follow on when the new version of GFAS 1.4.2 will be available on the ADS.

For ECMWF Data Portal users, from 4 December:

  • the GFAS daily 1.2 will be no longer available from the CAMS_GFAS folder.
  • The CAMS_GFAS folder will now be used to give access to the new GFAS hourly 1.4.2 data.
  • Users getting data from the CAMS_GFAS_HOURLY folder, are encouraged to migrate to the CAMS_GFAS folder to get access to the new 1.4.2 GFAS version.

For any enquiries please use the ECMWF Support portal.

ECMWF Support