placeholder - Upcoming GloFAS release (v4.4)

The following is a description of the latest operational release of GloFAS (v4.4), which was launched on 10 September 2025. For an overview of other GloFAS releases, please see: GloFAS versioning system.

Summary

GloFAS v4.4 introduces several minor changes to the system, including:

• Inclusion of ECMWF's AIFS Single model in GloFAS. 
  • Documentation about the operational release of ECMWF's AIFS model, including information on versions, is available on this dedicated AIFS webpage.
  • AIFS Single replaces the ECMWF Deterministic (ECMWF Det.) model in the meteorological forcings of EFAS: placeholder - GloFAS meteorological forecasts
  • AIFS Single replaces the ECMWF Deterministic products in EFAS-IS:
    • in the Hydrological tab, there is a new return period exceedance layer based on AIFS Single: placeholder - GloFAS Hydrological Products Overview
    • in the Meteorological tab, AIFS Single replaces the Acc. Precip. Det. ECMWF product: GloFAS Meteorological Products Overview
    • in the Flood Summary tab, the Reporting Points products have been updated to include the AIFS Single model: placeholder - GloFAS Reporting Points Input from Juan Pereira Colonese Graphics to be edited: 2025_GloFAS_wiki_graphics 

This upgrade of GloFAS has no impact on the GloFAS modelling results.

Technical details