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On these pages you can find information about planned changes to the IFS forecasting system and documentation describing previous changes. Please note that for planned changes this information is subject to revisions as we proceed with experimentation.
Formal announcements of the implementation schedules for new model cycles will still be made by email, and relevant information will then be posted on dedicated pages on the ECMWF web site, where you can also find information about previous changes to the ECMWF forecasting system. The terminology used is described in Terminology for IFS testing.
Planned changes
- Implementation of IFS Cycle 46r1 - IFS Cycle 46r1 implemented 11 June 2019
Past changes
Implementation of IFS Cycle 45r1 - IFS Cycle 45r1 implemented 5 June 2018
- Implementation of Seasonal Forecast SEAS5 - SEAS5 implemented 5 November 2017
- Implementation of IFS Cycle 43r3 - IFS Cycle 43r3 implemented 11 July 2017
- Implementation of IFS Cycle 43r1 - IFS Cycle 43r1 implemented 22 November 2016
- Horizontal resolution increase - IFS Cycle 41r2 implemented 8 March 2016
- Boundary-Condition Programme ENS at 06 and 18 UTC - implemented 8 July 2015
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Mailing list A mailing list has been created to inform interested parties about IFS changes. To subscribe to or unsubscribe, please send an email to forecast_changes-request@lists.ecmwf.int with the word subscribe or unsubscribe as Subject or click subscribe Alternatively access http://www.ecmwf.int/publications/maillist/d/subrequest/forecast_changes, enter your email address and click Subscribe |