Daily data
You will find two CDS catalogue entries labelled 'daily data'; these contain data at daily or subdaily frequency (6h, 12h or 24h) . The output of the different forecasting systems is available both for real-time forecasts (from 2017 onwards) and retrospective forecasts (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 surface (or single level) parameters, the other contains variables on 11 pressure levels spanning 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. 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. 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 time, in hours, 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. 10. 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. 11. 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
You will find two CDS catalogue entries for monthly statistics: monthly average, minimum, maximum and standard deviation are available for all initialization dates. Additionally, for real-time forecast initialization dates 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 forecasting systems is available both for real-time forecasts (from 2017 onwards) and retrospective forecasts (referred to as hindcasts) for the period 1993-2016.
One dataset contains surface (or single level) parameters, the other contains variables on 11 pressure levels spanning 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. 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. 10. 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. 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. |
Post-processed data
You will find two CDS catalogue entries for real-time forecast monthly anomalies; each contains the anomalies for the ensemble mean for each system and the individual ensemble members.
Anomalies are just available for real-time forecasts start dates (from 2017 onwards).
One dataset contains surface (or single level) parameters, the other contains variables on 11 pressure levels spanning 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. 10. 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. 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. |