Advancing global NWP through international collaboration

Probabilities: 24hr total precipitation

Base Time: Thu 26 Nov 2020 12 UTC T+24 Valid time: Fri 27 Nov 2020 12 UTC

Probabilities: 24h precipitation

The plot shows probability information derived from the ensemble forecast system (ENS), specifically the Probability of 24-h accumulated precipitation (rain and snow) exceeding 1 mm (colour shading in %).
The probabilities are based on the number of forecast members which meet the criteria (each member is assigned an equal probability of 1/50).

Detailed description of ENS probabilistic products can be found in ECMWF Forecast User Guide.

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SCIENCE BLOG

Barbados clouds

Clouds blowing (in) the wind

ECMWF Fellow Louise Nuijens is daydreaming about a field campaign in Barbados earlier this year. Working with us, she is analysing the observations that were collected there, to understand how clouds affect and are affected by the wind.

6 November 2020

NEWS
NEWS
IN FOCUS

Ocean waves

Fact sheet: Ocean wave forecasting

Marine weather forecasts can help to save lives and limit the damage caused by severe storms. This fact sheet explains how ocean waves are forecast at ECMWF, how observations are used and what forecast products are provided.

16 November 2020

Forecast charts and data

We provide current forecasts, climate reanalyses and specific datasets. These are available via the web, point-to-point dissemination, data servers and broadcasting.

IFS 47r1 upgrade image for documentation

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Full documentation is now available for Cycle 47r1 of ECMWF’s Integrated Forecasting System (IFS), which became operational in July this year. IFS documentation #IFS47r1

Datasets

Forecasts, analyses, climate re-analyses, reforecasts and multi-model data are available from our archive (MARS) or via dedicated data servers or via point-to-point dissemination.

Accessing forecasts

Researchers, WMO members, commercial users and satellite data providers can gain access to ECMWF forecast products under one of our various license agreement types.

Workshops and education

Education is a key element of our work at ECMWF, enabling our partners to get the most from ECMWF's services and develop an advanced understanding of forecasting.

ECMWF lecture theatre

ECMWF workshops are open to the worldwide meteorological community, though some training is restricted to member states.

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Serving meteorology

International collaboration is fundamental to the work of ECMWF, working with the EU and the meteorological community at large, including the World Meteorological Organization, space agencies, and scientists around the world.