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You will find two CDS catalogue entries for daily and subdaily datalabelled 'daily data'; these contain data at daily or subdaily frequency (6h, 12h or 24h) . The output of the different available forecasting systems is available both for real-time forecasts (from 2017 onwards) and retrospective forecasts or (referred to as hindcasts) for the period 1993-2016.
Note that all available individual members for each forecasting system will be provided with every request.
One dataset contains There is available one dataset containing surface (or single level) parameters and another one with variables in a set of , the other contains variables on 11 pressure levels spanning from 925 hPa to 10 hPa.
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01. Originating CentreSelect the name of the institution responsible of the forecasting system of your interest originates from. 02. SystemSelect the version of the forecasting system. This is a numeric label and the available values are different for the different "originating centres". Note that for a given start date you could find more than one system available for a single "originating centre". 03. VariableSelect the parameter(s) you are interested in. 04. YearSelect the year of the initialization date of the model run(s) you are interested in. Please note Please bear in mind that you must use the hindcast data in order to make a meaningful use of the forecast data. And remember you must pair forecasts and hindcasts up by using the same "system" for both of them. 05. MonthSelect the month of the initialization date of the model run(s) you are interested in. 06. DaySelect the day of the initialization date of the model run(s) you are interested in. 07. Leadtime HourSelect the lead - time(s) you are interested in. This is the offset time, in hours since , from the initialization date. ... 08. Geographical areaYou can select a global field ("whole available area") or a regional subselection by providing the latitude and longitude of its corners 09. FormatYou can select the data format for your data retrieval. 0910. Terms of UseYou must accept the terms and conditions of the Copernicus User Licence in order to access the C3S seasonal forecast data. |
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01. Originating CentreSelect the name of the institution the forecasting system of your interest originates from. 02. SystemSelect the version of the forecasting system. This is a numeric label and the available values are different for the different "originating centres". Note that for a given start date you could find more than one system available for a single "originating centre". 03. VariableSelect the parameter(s) you are interested in. 04. Pressure LevelSelect the pressure level(s) for the variables you are interested in. 05. YearSelect the year of the initialization date of the model run(s) you are interested in. Please note that you must use the hindcast data in order to make a meaningful use of the forecast data. And remember you must pair forecasts and hindcasts up by using the same "system" for both of them. 06. MonthSelect the month of the initialization date of the model run(s) you are interested in. 07. DaySelect the day of the initialization date of the model run(s) you are interested in. 08. Leadtime HourSelect the lead time(s) you are interested in. This is the time, in hours, from the initialization date. ... 09. Geographical areaYou can select a global field ("whole available area") or a regional subselection by providing the latitude and longitude of its corners. 10. FormatYou can select the data format for your data retrieval. 1110. Terms of UseYou must accept the terms and conditions of the Copernicus User Licence in order to access the C3S seasonal forecast data. |
Monthly data
Outputs from the atmospheric component of the forecasting systems
You will find two CDS catalogue entries for monthly statistics: monthly average, minimum, maximum and standard deviation are available for all initialization dates; additionally . Additionally, for real-time forecast initialization dates there are available you will find the ingredients to calculate the forecast monthly anomalies: the forecast ensemble mean and the hindcast climate mean.
The output of the different available forecasting systems is available both for real-time forecasts (from 2017 onwards) and retrospective forecasts or (referred to as hindcasts) for the period 1993-2016.
There is available one dataset containing One dataset contains surface (or single level) parameters and another one with variables in a set of , the other contains variables on 11 pressure levels spanning from 925 hPa to 10 hPa.
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01. Originating CentreSelect the name of the institution the forecasting system of your interest originates from. 02. SystemSelect the version of the forecasting system. This is a numeric label and the available values are different for the different "originating centres". Note that for a given start date you could find more than one system available for a single "originating centre". 03. VariableSelect the parameter(s) you are interested in. 04. Product TypeSelect the monthly product you are interested in. 05. YearSelect the year of the initialization date of the model run(s) you are interested in. Please note that you must use the hindcast data in order to make a meaningful use of the forecast data. And remember you must pair forecasts and hindcasts up by using the same "system" for both of them. 06. MonthSelect the month of the initialization date of the model run(s) you are interested in. 07. Leadtime MonthSelect the lead time(s) you are interested in. This is the time, in months, from the initialization date. 08.FormatGeographical areaYou can select a global field ("whole available area") or a regional subselection by providing the latitude and longitude of its corners. 09. FormatYou can select the data format for your data retrieval. 10. Terms of UseYou must accept the terms and conditions of the Copernicus User Licence in order to access the C3S seasonal forecast data. 09. Terms of Use |
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01. Originating CentreSelect the name of the institution the forecasting system of your interest originates from. 02. SystemSelect the version of the forecasting system. This is a numeric label and the available values are different for the different "originating centres". Note that for a given start date you could find more than one system available for a single "originating centre". 03. VariableSelect the parameter(s) you are interested in. 04. Pressure LevelSelect the pressure level(s) for the variables you are interested in. 05. Product TypeSelect the monthly product you are interested in. 06. YearSelect the year of the initialization date of the model run(s) you are interested in. Please note that you must use the hindcast data in order to make a meaningful use of the forecast data. And remember you must pair forecasts and hindcasts up by using the same "system" for both of them. 07. MonthSelect the month of the initialization date of the model run(s) you are interested in. 08. Leadtime MonthSelect the lead time(s) you are interested in. This is the time, in months, from the initialization date. 09. Geographical areaYou can select a global field ("whole available area") or a regional subselection by providing the latitude and longitude of its corners. 10. FormatYou can select the data format for your data retrieval. 11. Terms of UseYou must accept the terms and conditions of the Copernicus User Licence in order to access the C3S seasonal forecast data. |
Outputs from the ocean component of the forecasting systems
You will find one CDS catalogue entry for monthly averages of ocean variables available for all initialization dates (both hindcasts and real-time forecasts).
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01. Originating CentreSelect the name of the institution the forecasting system of your interest originates from. 02. SystemSelect the version of the forecasting system. This is a numeric label and the available values are different for the different "originating centres". Note that for a given start date you could find more than one system available for a single "originating centre". 03. VariableSelect the parameter(s) you are interested in. 04. Forecast typeSelect the type of the forecast you are interested in from real-time forecasts ("forecast") or retrospective forecasts ("hindcast"). Please note that you must use the hindcast data in order to make a meaningful use of the forecast data. And remember you must pair forecasts and hindcasts up by using the same "system" for both of them. 05. YearSelect the year of the initialization date of the model run(s) you are interested in. 06. MonthSelect the month of the initialization date of the model run(s) you are interested in. 07. FormatThe individual data files in this dataset are stored in netCDF format and the multiple files from a single data request will be bundled together on a single file. 0810. Terms of UseYou must accept the terms and conditions of the Copernicus User Licence in order to access the C3S seasonal forecast data. |
Post-processed data
You will find two CDS catalogue entries for real-time forecast monthly anomalies, both ; each contains the anomalies for the ensemble mean for each system ensemble mean and for every the individual ensemble membermembers.
Note that anomalies Anomalies are just available for real-time forecasts start dates (from 2017 onwards).
There is available one dataset containing One dataset contains surface (or single level) parameters and another one with variables in a set of , the other contains variables on 11 pressure levels spanning from 925 hPa to 10 hPa.
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01. Originating CentreSelect the name of the institution the forecasting system of your interest originates from. 02. SystemSelect the version of the forecasting system. This is a numeric label and the available values are different for the different "originating centres". 03. VariableSelect the parameter(s) you are interested in. 04. Product TypeSelect the monthly product you are interested in. 05. YearSelect the year of the initialization date of the model run(s) you are interested in. 06. MonthSelect the month of the initialization date of the model run(s) you are interested in. 07. Leadtime MonthSelect the lead time(s) you are interested in. This is the time, in months, from the initialization date. 08. Geographical areaYou can select a global field ("whole available area") or a regional subselection by providing the latitude and longitude of its corners. 09. FormatYou can select the data format for your data retrieval. 1009. Terms of UseYou must accept the terms and conditions of the Copernicus User Licence in order to access the C3S seasonal forecast data. |
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01. Originating CentreSelect the name of the institution the forecasting system of your interest originates from. 02. SystemSelect the version of the forecasting system. This is a numeric label and the available values are different for the different "originating centres". 03. VariableSelect the parameter(s) you are interested in. 04. Pressure LevelSelect the pressure level(s) for the variables you are interested in. 05. Product TypeSelect the monthly product you are interested in. 06. YearSelect the year of the initialization date of the model run(s) you are interested in. 07. MonthSelect the month of the initialization date of the model run(s) you are interested in. 08. Leadtime MonthSelect the lead time(s) you are interested in. This is the time, in months, from the initialization date. 09. Format10. Terms of Use. Geographical areaYou can select a global field ("whole available area") or a regional subselection by providing the latitude and longitude of its corners. 10. FormatYou can select the data format for your data retrieval. 11. Terms of UseYou must accept the terms and conditions of the Copernicus User Licence in order to access the C3S seasonal forecast data. |
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This document has been produced in the context of the Copernicus Climate Change Service (C3S). The activities leading to these results have been contracted by the European Centre for Medium-Range Weather Forecasts, operator of C3S on behalf of the European Union (Delegation agreement signed on 11/11/2014). All information in this document is provided "as is" and no guarantee or warranty is given that the information is fit for any particular purpose. The users thereof use the information at their sole risk and liability. For the avoidance of all doubt, the European Commission and the European Centre for Medium-Range Weather Forecasts have no liability in respect of this document, which is merely representing the author's view. |