Li et al., 2016) and to long-range forecasts up to 12 months ahead (Bennett et al., 2016). Sci., 22, 3409–3420, https://doi.org/10.5194/hess-22-3409-2018, 2018. The schematic below illustrates how the EFAS seasonal and sub-seasonal outlooks are produced. Earth Syst. this website is accessible for visitors with dyslexia & reading difficulties. Important changes have been made to how seasonal forecasts are run operationally, so as to enhance the service given to users. The re-forecast period has been increased to cover 1981–2016, a 36-year period, compared to 1981–2010 for S4. A 5-day monitoring analysis of the latest observations based on the latest ECMWF reanalysis when available is used to initialise the forecasts, followed by seasonal ensemble forecasts for 16 weeks from the latest ECMWF Seasonal Forecast System. Multi-system combinations, as well as predictions from the individual participating systems, are available. The maps are produced by the JRC's EFFIS Team based on data from the ECMWF (European Centre for Medium-Range Weather Forecasts) Seasonal Forecasting System named S5 (System 5). The El Niño acts to redistribute heat and precipitation over the globe. Speakers include Carlo Buontempo (C3S) 12 April: 09:30-10:15. This document has been produced in the context of the Copernicus Climate Change Service (C3S). While the above review mainly focused on post-processing of sub-seasonal and seasonal forecasts (as it is the main focus of the current study), post-processing is also commonly applied to short-range forecasts (e.g. Minimum notification periods required by ECMWF for testing purposes. GloFAS has been fully operational as a Copernicus Emergency Management Service since April 2018. S5 anomalies of temperature and rainfall are estimated from the mean deviation of the seasonal forecast … Copernicus is an EU programme aimed at developing European information services based on satellite Earth Observation and in situ (non space) data. The Copernicus model combines data from scientists in the U.K., France, Germany, Italy and the U.S. The CMEMS Sea Level Anomaly satellite data currently used by ECMWF include observations from several sensors, with observations from Jason-2, Jason-3, CryoSat-2 and SARAL/AltiKa operationally assimilated at ECMWF. GloFAS-Seasonal forecast products are typically produced by the 5th of the month at 05:00 UTC and made available via the web interface on the 10th of the month at 01:00 UTC. The Copernicus enhanced seasonal forecast system launched. 11 April: 16:25-16:27: C3S: PICO: Global seasonal hydrological forecasts – a Copernicus Climate Change Service experience. The seasonal forecast products are updated once per month and made available via the forecast viewer on the 10th of each month. Normally in the beginning of each week a forecast for the next 2 weeks will be made available. Copernicus Meetings has the right to hold my presentation materials online for viewing and download by individuals. The two systems use different meteorological forcing in their model chain and are issued with different frequency. The C3S seasonal forecast products are based on data from several state-of-the-art seasonal prediction systems. The Copernicus enhanced seasonal forecast system launched. UV index forecasts Ultraviolet (UV) radiation is the radiation from the Sun that can be damaging to life on Earth. The World Climate Service seasonal discussion and forecast for autumn was issued a few days ago, and as always the North Atlantic MSLP pattern featured heavily as an important consideration in the forecast, especially for Europe. 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