Page History

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Technical details of the new cycle

Note

Please note: 3 hourly analysis fields now available

With the implementation of the IFS Cycle 50r1 analysis fields will be available every 3 hours, at times 0 UTC, 3 UTC ... 18 UTC and 21 UTC.
(Previously, analysis fields were available only every 6 hours, at times 0 UTC, 6 UTC, 12 UTC and 18 UTC.)

Note

Please note: Hourly forecast fields now available

With the implementation of the IFS Cycle 50r1 model level and presure level forecast fields will be available every hourly step at 0, 1, 2 ... 119 and 120.
(Previously, only surface level forecast fields were available every hourly step).

New parameters

paramId	shortName	name	units	GRIB edition	Components
Model & Pressure levels
216013	MolBSC355	Molecular backscatter coefficient at 355 nm	m^-1 sr^-1	2	CAMS Aerosol Model
216014	MolBSC532	Molecular backscatter coefficient at 532 nm	m^-1 sr^-1	2	CAMS Aerosol Model
216015	MolBSC1064	Molecular backscatter coefficient at 1064 nm	m^-1 sr^-1	2	CAMS Aerosol Model
216023	MolBSC910	Molecular backscatter coefficient at 910 nm	m^-1 sr^-1	2	CAMS Aerosol Model
216016	AerBSC355	Aerosol backscatter coefficient at 355 nm	m^-1 sr^-1	2	CAMS Aerosol Model
216017	AerBSC532	Aerosol backscatter coefficient at 355 nm	m^-1 sr^-1	2	CAMS Aerosol Model
216018	AerBSC1064	Aerosol backscatter coefficient at 355 nm	m^-1 sr^-1	2	CAMS Aerosol Model
216024	AerBSC910	Aerosol backscatter coefficient at 355 nm	m^-1 sr^-1	2	CAMS Aerosol Model
216025	Aerext340	Aerosol extinction coefficient at 340 nm	m^-1	2	CAMS Aerosol Model
216026	Aerext440	Aerosol extinction coefficient at 440 nm	m^-1	2	CAMS Aerosol Model
216027	Aerext800	Aerosol extinction coefficient at 800 nm	m^-1	2	CAMS Aerosol Model
216019	Aerext910	Aerosol extinction coefficient at 910 nm	m^-1	2	CAMS Aerosol Model
216020	SSA910	Single Scattering Albedo at 910 nm		2	CAMS Aerosol Model
216022	Aerbcksctgnd910	Aerosol backscatter coefficient at 910 nm as seen from the ground	m^-1 sr^-1	2	CAMS Aerosol Model
216021	Aerbckscttoa910	Aerosol backscatter coefficient at 910 nm as seen from TOA	m^-1 sr^-1	2	CAMS Aerosol Model
Surface level
216033	trco3	Tropospheric column vertically-integrated mass density of ozone	kg m^-2	2	CAMS Chemical Model
216034	trcco	Tropospheric column vertically-integrated mass density of carbon monoxide	kg m^-2	2	CAMS Chemical Model
216035	trcno2	Tropospheric column vertically-integrated mass density of nitrogen dioxide	kg m^-2	2	CAMS Chemical Model

Note

Please note: 3 hourly analysis fields now available

With the implementation of the IFS Cycle 50r1 analysis fields will be available every 3 hours, at times 0 UTC, 3 UTC ... 18 UTC and 21 UTC.
(Previously, analysis fields were available only every 6 hours, at times 0 UTC, 6 UTC, 12 UTC and 18 UTC.)

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Please note: Hourly forecast fields now available

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Change to GRIB encoding

The GRIB model identifiers (generating process identification number) for cycle 50r1 will be changed as follows:

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Versions Compared

Old Version 7

New Version 8

Key

Technical details of the new cycle

Please note: 3 hourly analysis fields now available

Please note: Hourly forecast fields now available

New parameters

Please note: 3 hourly analysis fields now available

Please note: Hourly forecast fields now available

Change to GRIB encoding