On Tuesday, 11 March 2008, ECMWF integrated its Monthly Forecasting System with the medium-range Ensemble Prediction System (VarEPS). The new monthly forecast products were produced for the first time on Thursday, 13 March 2008.
Details about this change can be found at http://www.ecmwf.int/products/data/operational_system/evolution/evolution_2008.html
Plot showing an example of a VarEPS multiparameter outlook over Europe.