This chart shows 7-day mean anomalies of temperature at 10hPa from the ECMWF Sub-seasonal range ...

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The ECMWF seasonal forecasts (SEAS5) are produced every month with a 51-member ensemble at ...

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The 850 hPa level is usually just above the boundary layer and at this level the day-night variation in temperature is generally negligible...

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This chart shows 7-day mean anomalies of 500hPa geopotential height from the ECMWF Sub-seasonal ...

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This chart provides information on the verification of forecasts of Accumulated Cyclone Energy ...

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The ECMWF seasonal forecasts (SEAS5) are produced every month with a 51-member ensemble at a ...

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b'Detailed information on these EXPERIMENTAL products can be found

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Various thermall comfort parameters showing thermal comfort

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This diagram gives a measure of the effectiveness of the model by showing how far ahead in the ...

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This diagram gives a measure of the effectiveness of the model by showing when the 1-SEEPS of ...

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This diagram gives a measure of the effectiveness of the model by showing when the 1-SEEPS of ...

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Lightning flash densities are diagnosed from forecast values of hydrometeor content, CAPE (convective available potential energy), and cloud base height that has been output by the convection scheme...

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This diagram shows time evolution of a Madden-Julian Oscillation (MJO) index. ...

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**Note:** In **June 2023** ECMWF implemented a **major upgrade ...**

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Wind speed at 200 hPa highlights the jet stream (areas of strong winds in the upper troposphere) which can help identify movement and development of depressions...

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Wind speeds near the surface are roughly proportional to the distance between isobars so closely packed isobars mean strong surface winds...

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This shows the daily distribution and evolution of mean zonal wind at 10hPa at 60N or 60S. ...

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The ECMWF seasonal forecasts (SEAS5) are produced every month with a 51-member ensemble at ...

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Aurora: a deep learning-based system developed by Microsoft. It is initialised with ECMWF analysis. Aurora operates at 0.1° resolution.

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Aurora: a deep learning-based system developed by Microsoft. It is initialised with ECMWF analysis. Aurora operates at 0.1° resolution.

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Aurora: a deep learning-based system developed by Microsoft. It is initialised with ECMWF analysis. Aurora operates at 0.1° resolution.

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Aurora: a deep learning-based system developed by Microsoft. It is initialised with ECMWF analysis. Aurora operates at 0.1° resolution.

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Aurora: a deep learning-based system developed by Microsoft. It is initialised with ECMWF analysis. Aurora operates at 0.1° resolution.

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FourCastNet v2-small:a deep learning-based system developed by NVIDIA in collaboration with researchers at several US universities.It is initialised with ECMWF analysis. FourCastNet operates at 0.25° resolution.

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FourCastNet v2-small:a deep learning-based system developed by NVIDIA in collaboration with researchers at several US universities.It is initialised with ECMWF analysis. FourCastNet operates at 0.25° resolution.

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