Datasets
This chart shows the spatial variation in the Anomaly Correlation Coefficient (ACC) for the ...
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The reliability diagram shows the reliability of the ECMWF seasonal forecast system (SEAS5) with ...
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This chart shows the Relative Operating Characteristics (ROC) diagram for the three-month ...
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This chart shows the spatial variation in the Relative Operating Characteristics (ROC) skill ...
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The ECMWF seasonal forecasts (SEAS5) are produced every month with a 51-member ensemble at 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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This chart shows 7-day mean anomalies of 500hPa geopotential height from the ECMWF Sub-seasonal ...
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500-1000 hPa thickness is a measure of the mean temperature of a column of the atmosphere between these pressure levels and can be used to distinguish between warm and cold air masses and...
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This diagram gives a measure of the effectiveness of the model in forecasting 500 hPa heights 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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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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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...
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AIFS ENS: a deep learning-based system developed by ECMWF. It is initialised with ECMWF perturbed forecasts and operates at N320 (~0.25Deg) resolution
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AIFS ENS: a deep learning-based system developed by ECMWF. It is initialised with ECMWF perturbed forecasts and operates at N320 (~0.25Deg) resolution
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These diagrams show the evolution of regimes indicative of likely weather by week around ...
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This diagram shows daily probabilities for four types of Euro-Atlantic weather regimes over ...
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**Note:** In **June 2023** ECMWF implemented a **major upgrade ...**
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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...
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This diagram gives a measure of the effectiveness of the model. The drop-down menu can ...
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This diagram shows the variation of Relative Operating Characteristics (ROC) scores with various ...
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This chart shows 7-day mean anomalies for a range of parameters from the ECMWF Sub-seasonal ...
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**Note:** In **June 2023** ECMWF implemented a **major upgrade ...**
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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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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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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...
Interval/period: N/A