This chart shows the anomaly in precipitation (in mm of rainfall or rainfall equivalent) during a 24 hour period immediately prior to the chosen valid date/time...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

This chart shows the anomaly in snowfall (in mm of rainfall equivalent) during a 24 hour period immediately prior to the chosen valid date/time...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

Mean total swell wave direction is the spectrally averaged propagation direction of the swell waves (weighted by wave height) of the part of the spectrum that is NOT windsea...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

Wave height is the vertical distance between trough and crest. Wave period is the time between the passage of one wave crest and the next. The arrow direction is the direction the waves are moving towards...

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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 ...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

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

calendar_today Interval/period: N/A

open_in_newview in Open Charts

The charts show mean frequency and accumulated cyclone energy of tropical storm activity. ...

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open_in_newview in Open Charts

This chart provides information on the verification of forecasts of the expected number of ...

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open_in_newview in Open Charts

The charts show the evolution of existing and potential tropical cyclone activity. ...

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open_in_newview in Open Charts

Precipitation totals include all precipitation types (rain, snow etc.) (in mm of rainfall or rainfall equivalent) falling in 6 hour or 12 hour periods using colour shading...

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open_in_newview in Open Charts

Total accumulated rainfall charts identify areas at greater risk of significant rainfall (or rain equivalent e.g.snowfall) but give no information regarding whether this occurs over a short or prolonged time period...

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open_in_newview in Open Charts

This chart shows the probability that the temperature at 2 m above the earth’s surface is below 0°C and the total of convective and broad scale precipitation ...

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open_in_newview in Open Charts

This chart shows the probability that both the wind at 10 m above the earth's surface is ...

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open_in_newview in Open Charts

This chart shows the probability that both the wind at 10 m above the earth's surface is ...

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open_in_newview in Open Charts

This chart shows the probability that both the wind at 10 m above the earth's surface is ...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

These charts aim to provide pointers to areas where anomalous precipitation amounts are likely to occur during the 24 hour, 2 day, 5 day or 10 day period previous to the selected validity time...

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open_in_newview in Open Charts

This chart aims to highlight areas where unusually anomalous precipitation is likely to ...

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open_in_newview in Open Charts

These charts show areas where anomalous significant wave heights are likely to occur. These charts are based on the ECMWF ense ...

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open_in_newview in Open Charts

These charts show areas where anomalous snow fall is likely to occur. These charts are based on the ECMWF ensemble for ...

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open_in_newview in Open Charts

Where precipitation is forecast, a type of precipitation can be assigned according to the temperature structure of the model atmosphere that includes the layers through which the model precipitation falls...

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open_in_newview in Open Charts

**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 ...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

This chart provides information on the verification of forecasts of the number of tropical ...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

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

calendar_today Interval/period: N/A

open_in_newview in Open Charts

These charts aim to point towards areas where anomalous weather is likely to occur. ...

calendar_today Interval/period: N/A

open_in_newview in Open Charts