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

calendar_today Interval/period: N/A

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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 ...

calendar_today Interval/period: N/A

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The air flow is not the same at all levels and can be very different in strength and direction when associated with vigorous weather systems...

calendar_today Interval/period: N/A

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These charts show the difference between the latest HRES Long Window Data Analysis (LWDA) for the main synoptic hours of 00, 06, 12 and 18UTC, and its corresponding background field taken from the previous HRES LWDA run with the same validity time...

calendar_today Interval/period: N/A

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

calendar_today Interval/period: N/A

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The CAT (Clear Air Turbulence) parameter is given in units of the turbulent Eddy Dissipation ...

calendar_today Interval/period: N/A

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These charts show probabilities of multi-day precipitation accumulation. ...

calendar_today Interval/period: N/A

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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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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...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

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

calendar_today Interval/period: N/A

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 ...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

The air flow is not the same at all levels and can be very different in strength and direction when associated with vigorous weather systems...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

AIFS ENS: a deep learning-based system developed by ECMWF. It is initialised with ECMWF perturbed forecasts and operates at N320 (~0.25Deg) resolution

calendar_today Interval/period: N/A

open_in_newview in Open Charts

AIFS ENS: a deep learning-based system developed by ECMWF. It is initialised with ECMWF perturbed forecasts and operates at N320 (~0.25Deg) resolution

calendar_today Interval/period: N/A

open_in_newview in Open Charts

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...

calendar_today Interval/period: N/A

open_in_newview in Open Charts

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

calendar_today Interval/period: N/A

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

calendar_today Interval/period: N/A

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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

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 ...

calendar_today Interval/period: N/A

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These charts represent the height of the air temperature 0°C isotherm or the Wet bulb temperature 0°C isotherm...

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These charts show areas where anomalous 2 m maximum temperatures are likely to occur. These charts are based on the ECMWF ensem ...

calendar_today Interval/period: N/A

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These charts show areas where anomalous 2 m minimum temperatures are likely to occur. These charts are based on the ECMWF ensem ...

calendar_today Interval/period: N/A

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These charts show areas where anomalous 2 m temperatures are likely to occur. These charts are based on the ECMWF ensemble forecas ...

calendar_today Interval/period: N/A

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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...

calendar_today Interval/period: N/A

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

calendar_today Interval/period: N/A

open_in_newview in Open Charts