# C3S seasonal forecast: Update of label "system" for UK MetOffice contribution

**URL:** <https://forum.ecmwf.int/t/c3s-seasonal-forecast-update-of-label-system-for-uk-metoffice-contribution/989>\
**Category:** C3S - Announcements\
**Tags:** seasonal\_forecast, c3s\
**Created:** [13 May 2020 08:29 UTC](https://forum.ecmwf.int/t/c3s-seasonal-forecast-update-of-label-system-for-uk-metoffice-contribution/989 "2020-05-13T08:29:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Eduardo\_Penabad](https://forum.ecmwf.int/letter_avatar_proxy/v4/letter/e/6a8cbe/32.png) [@Eduardo\_Penabad](https://forum.ecmwf.int/u/Eduardo_Penabad)\
**Post date:** [13 May 2020 08:29 UTC](https://forum.ecmwf.int/t/c3s-seasonal-forecast-update-of-label-system-for-uk-metoffice-contribution/989/1 "2020-05-13T08:29:39Z")

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As it happens every year, label "system" for the UK Met Office contribution to C3S seasonal forecast activity has been updated to a new value (system=15) starting from May 2020 real-time forecasts

- Please note&nbsp;that due to the production of hindcasts "on-the-fly", the CDS keyword 'system' does not have the same meaning as for the other contributors. Instead, it is just an indexing label that gets changed once per year.
- More info in the ["Summary of available data"](https://confluence.ecmwf.int/display/CKB/Summary+of+available+data) and in the&nbsp;["Seasonal forecasts and the Copernicus Climate Change Service"](https://confluence.ecmwf.int/display/CKB/Seasonal+forecasts+and+the+Copernicus+Climate+Change+Service#SeasonalforecastsandtheCopernicusClimateChangeService-production_schedules) pages