The CEMS-flood Sub-seasonal and Seasonal outlooks are based on an ensemble hydrological forecasting system, updated daily and monthly, respectively. The products are essentially the same for both EFAS and GloFAS systems. The general description of the available products and their main features are at Sub-seasonal and seasonal forecast products.
Both EFAS sub-seasonal and seasonal forecast products are displayed as colour coded overview maps and time series information at reporting points that can be viewed under the ‘Hydrological’ category of the map viewer. There are two main products: