Title: Frequently Asked Questions for 50r1  
Author: Milana Vuckovic Feb 04, 2026
Last Changed by: Maartje Kuilman Mar 06, 2026
Tiny Link: (useful for email) https://confluence.ecmwf.int/x/_DQEJQ
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Forecast User (1)
    Page: Testing for IFS Cycle 50r1
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    Page: Implementation of IFS Cycle 50r1
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Recent Changes
Time Editor  
Mar 06, 2026 08:42 Maartje Kuilman View Changes
Mar 05, 2026 09:34 Maartje Kuilman View Changes
Mar 05, 2026 09:34 Maartje Kuilman View Changes
Mar 04, 2026 14:16 Maartje Kuilman View Changes
Mar 04, 2026 14:15 Maartje Kuilman  
Outgoing Links
External Links (11)
    https://confluence.ecmwf.int/display/FCST/Terminology+for+I…
    https://confluence.ecmwf.int/display/DAC/File+naming+conven…
    https://products.ecmwf.int/esuite/requirements/
    mailto:forecast_changes-request@lists.ecmwf.int
    https://confluence.ecmwf.int/display/FCST/Implementation+of…
    https://confluence.ecmwf.int/pages/viewpage.action?pageId=2…
    https://www.ecmwf.int/en/about/media-centre/focus/2024/migr…
    https://www.ecmwf.int/en/newsletter/175/computing/migration…
    https://support.ecmwf.int
    https://confluence.ecmwf.int/site/support
    https://xdiss-monitor.ecmwf.int/
Migration to Grib 2 - User Space (1)     Home page: Migration to GRIB edition 2 Information page
Forecast User (3)     Page: Implementation of AIFS Single v2
    Page: Dissemination file-naming changes from IFS Cycle 49r1 to 50r1
    Page: Implementation of AIFS ENS v2
Data and Charts (2)     Page: RCP 50r1 - Test System User Details
    Page: Dissemination schedule