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

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open_in_newview in Open Charts

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

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open_in_newview in Open Charts

In the northern hemisphere the air rotates anti-clockwise around low contour centres and clockwise around the high contour centres. In the southern hemisphere the air rotates clockwise around low contour centres and ...

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open_in_newview in Open Charts

These diagrams compare scores of ensemble control (red) and ensemble members (central 50% of ...

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open_in_newview in Open Charts

This is a time/longitude diagram (Hovmoller diagram) of 500 hPa or 1000 hPa mean height anomaly ...

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open_in_newview in Open Charts