Datasets

Continuous ranked probability skill scores (CRPSS) of forecasts of upper-air parameters by TIGGE centres.

These diagrams compare Continuous Ranked Probability Skill Scores (CRPSS) of ECMWF with ...

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Daily Scores

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

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Daily scores of forecasts of upper-air parameters by experimental machine learning models

These plots compare recent IFS and experimental AIFS daily verification scores for 500 hPa ...

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Ensemble mean and spread: 300 hPa geopotential height

These charts show the mean and variation in the latest ECMWF ensemble forecast (ENS). ...

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Ensemble mean and spread: 500 hPa geopotential height

These charts show the mean and variation in the latest ECMWF ensemble forecast (ENS). ...

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Ensemble mean and spread: four standard parameters

These charts show the mean and variation in the latest ECMWF ensemble forecast (ENS). ...

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Ensemble trajectories

These diagrams aim to show the time evolution of regimes which are indicative of the likely weather in and around Europe.The winds across the Atlantic can usefully be classified into four regimes ...

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Global sea level change indicators from 1950 to 2050 derived from reanalysis and high resolution CMIP6 climate projections

This dataset provides statistical indicators of tides, storm surges and sea level that can be used to characterize global sea level in present-day conditions and also to assess changes under climate change. The indicators calculated include extreme-value indicators (e.g. return periods including confidence bounds for total water levels and surge levels), probability indicators (e.g. percentile for total water levels and surge levels).

calendar_today Interval/period: Mon, 01/01/1951 - Sat, 12/31/2050

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Global sea level change time series from 1950 to 2050 derived from reanalysis and high resolution CMIP6 climate projections

This dataset provides time series of global sea level related variables including tides, storm surges and sea level rise from 1950 to 2050 based on hydrodynamic modelling. The dataset provides a basis for studies, for instance, aiming to evaluate sea level variability, coastal flooding, coastal erosion, and accessibility of ports.

calendar_today Interval/period: Sun, 01/01/1950 - Sat, 12/31/2050

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Global sea surface temperature derived from satellite observations

This dataset provides daily and monthly global estimates of sea surface temperature (SST) based on observations from multiple satellite sensors since July 1979 (for the daily product) and January 1980 respectivly (for the monthly product). SST is a key driver of global weather and climate patterns and plays an important role in the exchanges of energy, momentum, moisture and gases between the ocean and atmosphere. Accurate SST data are therefore essential for understanding and assessing variability and long-term changes in the Earth’s climate.

calendar_today Interval/period: Fri, 07/13/1979 - Tue, 04/21/2026

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Multiparam: Weekly mean anomalies

This chart shows 7-day mean anomalies for a range of parameters from the ECMWF Sub-seasonal ...

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Northern Hemisphere 500 hPa height anomaly

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

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Ocean surface wave indicators for the European coast from 1977 to 2100 derived from climate projections

The dataset presents wave climate indicators based upon ocean surface wave parameters computed for a European-wide domain. This dataset provides an understanding of the European wave climate under the impact of climate change. It provides added value for various coastal sectors and studies such as port, shipping, and coastal management.

calendar_today Interval/period: Thu, 01/01/1976 - Fri, 12/31/2100

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Ocean surface wave time series for the European coast from 1976 to 2100 derived from climate projections

The dataset presents time series of the coastal wave climate based upon ocean surface wave parameters computed for a European-wide domain. This dataset provides an understanding of the wave climate under the impact of climate change for the Northwest European Shelf and Mediterranean Sea. It provides added value for various coastal sectors and studies such as port, shipping, and coastal management.

calendar_today Interval/period: Thu, 01/01/1976 - Fri, 12/31/2100

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ORAS5 global ocean reanalysis monthly data from 1958 to present

This dataset provides global ocean and sea-ice reanalysis (ORAS5: Ocean Reanalysis System 5) monthly mean data prepared by the European Centre for Medium-Range Weather Forecasts (ECMWF) OCEAN5 ocean analysis-reanalysis system. This system comprises 5 ensemble members from which one member is published in this catalogue entry.

calendar_today Interval/period: Wed, 01/01/1958 - Sun, 03/01/2026

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ORAS5 global ocean reanalysis monthly time-series data from 1958 to present

This catalogue entry provides monthly mean time series from the global ocean and sea-ice reanalysis ORAS5 (Ocean Reanalysis System 5), with data organised to prioritise temporal access at grid point locations rather than full spatial fields. The dataset enables users to efficiently retrieve long, continuous time series for individual ocean points, supporting analyses of ocean variability and change without the need to download and process large global gridded datasets.

calendar_today Interval/period: Wed, 01/01/1958 - Wed, 01/01/2025

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Seasonal forecast monthly averages of ocean variables

This entry covers global ocean data aggregated to a monthly time resolution. The catalogue entry includes temperature and salinity characteristics of the upper oceans and complements the other seasonal forecast catalogue entries for the land and atmospheric variables.

calendar_today Interval/period: Fri, 01/01/1993 - Fri, 05/01/2026

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Teleconnection Indices - Seasonal Forecast - SEAS5

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

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Temperature and geopotential at various pressure levels

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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Time series of scores of the ensemble control and members

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

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Time-longitudes diagram - Sub-seasonal range forecast

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

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