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Details for the European Centre for Medium Range Weather Forecasts ECMM product.

Phase Diagram

Phase diagram showing the evolution of the last 40 days of observations along with the 15 day ensemble ECMWF forecast with a model based climatology (the climatology used is determined by model hindcasts and not observations and is a function of model lead time). The yellow lines are the 51 ensemble members and the green line is the ensemble mean (thick-week 1, thin-week 2). The dark gray shading depicts 50% of the members fall in this area and the light gray shading indicates 90% of the members.

Model Specific Information

Name and PID: European Centre for Medium Range Weather Forecasts Ensemble System (ECMM)
Number of Members: 51
Forecast Duration: 15 Days