Page History

11/December/2023

With the release of December 2023 forecasts (10th December 2023) a new view of the SST indices time series have been included for the ENSO regions in the C3S seasonal graphical products (https://climate.copernicus.eu/charts/packages/c3s_seasonal)

In addition to the plot showing individual ensemble members a new time series plot is now available showing some of the percentiles for each month's distribution. This was already available for the IOD indices and it has been now also extended to ENSO indices.

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22/November/2023

Please note that a "data gap" issue has been documented in our C3S Seasonal Forecast known issues page affecting availability of MetOffice system 602 hindcast data for December nominal start dates (see details for issue G10. in the "Data gaps" table)

10/November/2023

Please note that a "data gap" issue has been documented in our C3S Seasonal Forecast known issues page affecting availability of MetOffice system 602 hindcast data for November nominal start dates (see details for issue G10. in the "Data gaps" table)

8/September/2023

Please note that a "data gap" issue has been documented in our C3S Seasonal Forecast known issues page affecting availability of MetOffice system 602 data for 8/August/2023 (see details for issue G10. in the "Data gaps" table)

9/August/2023

Please note that a "data gap" issue has been documented in our C3S Seasonal Forecast known issues page affecting availability of MetOffice system 602 data for 15/July/2023 (see details for issue G9. in the "Data gaps" table)

20/July/2023

New C3S seasonal forecast products available: 10m wind speed and sea ice concentration plots; additional documentation and training materials

Soon after the release of our July 2023 seasonal forecasts new features have been made available to users of the C3S seasonal forecast service:

• New graphical products for 10m wind speed and sea ice concentration
  
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• A new Copernicus Knowledge Base (CKB) article describing the processing performed to create all C3S seasonal forecast products
  C3S seasonal forecast product descriptions
  
  
• A new Jupyter Notebook included in the "C3S Data Tutorials" training materials showing how to produce some verification metrics and scores equivalent to those currently provided in the CKB:
  https://ecmwf-projects.github.io/copernicus-training-c3s/sf-verification.html
  
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9/June/2023

New C3S seasonal forecast products available: total column water quantities data and SST indices verification plots

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