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As part of the 50r1 IFS Cycle implementation, the composition of the data production will change. The 'HRES' will be deprecated in concept, but the oper:fc and wave:fc will continue. enfo:cf and waef:cf are going to be stopped. scda and scwv streams will be merged with oper and wave respectively. use = bc keyword will be deprecated from the product requirements resulting in file-naming changes detailed below.
Impact on dissemination
Dissemination requirement containing control forecast of enfo and waef streams will need to be modified to equivalent streams presented on the diagram.
It is possible to make changes early, before start of the release candidate suite as indicated with vertical arrows on the diagram. e.g. from enfo:cf:00/12 to oper:fc:00/12. Making early changes would give more time for adjustment of programs using disseminated data. However, we do not recommend changing dissemination requirements containing 06/18 runs. This is because current equivalent deterministic streams scda and scwv are going to be discontinued and integrated to oper and wave in 50R1. Therefore, it will be easier to adjust these during the release candidate phase.
Gliffy Diagram macroId d902c4d7-3202-4686-80e5-912c806c7570 displayName moving from cf to fc name moving from cf to fc pagePin 2
Impact on
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file-naming convention
Due to discontinuation of streams scda and scwv and use=bc keyword, there will be changes to of usesuch as stream
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Dissemination requirement containing control forecast of enfo and waef streams will need to be modified to equivalent streams presented on the diagram.
It is possible to make changes early, before start of the release candidate suite as indicated with vertical arrows on the diagram. e.g. from enfo:cf:00/12 to oper:fc:00/12. Making early changes would give more time for adjustment of programs using disseminated data. However, we do not recommend changing dissemination requirements containing 06/18 runs. This is because current equivalent deterministic streams scda and scwv are going to be discontinued and integrated to oper and wave in 50R1. Therefore, it will be easier to adjust these during the release candidate phase.
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- LEGACY template file-naming will change according to File naming convention and format for real-time data e.g. {feed name}E* filename would change to {feed name}D*.
- Dissemination schedule will change following Dissemination schedule i.e. the files will be delivered earlier, following HRES dissemination schedule.
- GRIB metadata will change as per table below
Keyword Value stream:type oper:fc enfo:cf GRIB edition 1 2 1 2 perturbationNumber 0 N/A 0 0 numberOfForecastsInEnsemble 0 N/A 51 51 typeOfProcessedData N/A 1 N/A 3 marsType
fc fc cf cf marsStream
oper oper enfo enfo typeOfGeneratingProcess
N/A 2 N/A 4 typeOfEnsembleForecast
N/A N/A N/A 255 oceanAtmosphereCoupling
N/A N/A 2 2 localDefinitionNumber
1 N/A 30 N/A
Impact on MARS
MARS will not contain datasets with enfo:cf and waef:cf nor scda and scwv streams with date >= {50R1 implementation date}. The 50R1 implementation date is to be confirmed.
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