Forecast charts and data

We provide global forecasts, climate reanalyses and specific datasets, designed to meet different user requirements. These are available via the web, point-to-point dissemination, data servers and broadcasting.

ECMWF’s operational forecasts aim to show how the weather is most likely to evolve. To do this, the Centre produces an ensemble of predictions. Individually they are full descriptions of the evolution of the weather. Collectively they indicate the likelihood of a range of future weather scenarios.

ECMWF open chart: rain and mean sea-level pressure.

Our Integrated Forecasting System (IFS) provides forecasts and associated verification at different resolutions and for multiple time ranges. The verification provides essential feedback on the quality of the forecasting system.


Real-time and archive forecasts, analyses, climate re-analyses, reforecasts and multi-model datasets.

The Integrated Forecasting System

Key characteristics of the Integrated Forecasting System (IFS) and a description of our forecasts.